Home / 7,290,147.30-10,935,220.95-4,420,365.90

Finding the Fourth Proportional to 7,290,147.30, 10,935,220.95 and 4,420,365.90

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Solution

The fourth proportional to 7,290,147.30, 10,935,220.95 and 4,420,365.90 is: 6,630,548.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290,147.30 : 10,935,220.95 = 4,420,365.90 : x
  2. Step 2: Convert to fraction form
    7,290,147.30/10,935,220.95 = 4,420,365.90/x
  3. Step 3: Cross multiply
    7,290,147.30x = 10,935,220.95 × 4,420,365.90
  4. Step 4: Simplify right side
    7,290,147.30x = 48,337,677,796,345.61
  5. Step 5: Solve for x
    x = 48,337,677,796,345.61/7,290,147.30
  6. Step 6: Final answer
    x = 6,630,548.85

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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.