Home / 8,065,234.80-12,097,852.20-6,665,554.80

Finding the Fourth Proportional to 8,065,234.80, 12,097,852.20 and 6,665,554.80

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Solution

The fourth proportional to 8,065,234.80, 12,097,852.20 and 6,665,554.80 is: 9,998,332.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065,234.80 : 12,097,852.20 = 6,665,554.80 : x
  2. Step 2: Convert to fraction form
    8,065,234.80/12,097,852.20 = 6,665,554.80/x
  3. Step 3: Cross multiply
    8,065,234.80x = 12,097,852.20 × 6,665,554.80
  4. Step 4: Simplify right side
    8,065,234.80x = 80,638,896,801,400.55
  5. Step 5: Solve for x
    x = 80,638,896,801,400.55/8,065,234.80
  6. Step 6: Final answer
    x = 9,998,332.20

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Double scale
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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.