Home / 7,776,235.40-11,664,353.10-4,920,888.20

Finding the Fourth Proportional to 7,776,235.40, 11,664,353.10 and 4,920,888.20

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Solution

The fourth proportional to 7,776,235.40, 11,664,353.10 and 4,920,888.20 is: 7,381,332.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776,235.40 : 11,664,353.10 = 4,920,888.20 : x
  2. Step 2: Convert to fraction form
    7,776,235.40/11,664,353.10 = 4,920,888.20/x
  3. Step 3: Cross multiply
    7,776,235.40x = 11,664,353.10 × 4,920,888.20
  4. Step 4: Simplify right side
    7,776,235.40x = 57,398,977,530,423.42
  5. Step 5: Solve for x
    x = 57,398,977,530,423.42/7,776,235.40
  6. Step 6: Final answer
    x = 7,381,332.30

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Half scale
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Double scale
Find fourth proportional to 7,776,236.40, 11,664,354.60 and 4,920,889.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.