Home / 10,561,606.20-15,876,234.90-9,812,777.40

Finding the Fourth Proportional to 10,561,606.20, 15,876,234.90 and 9,812,777.40

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Solution

The fourth proportional to 10,561,606.20, 15,876,234.90 and 9,812,777.40 is: 14,750,593.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,561,606.20 : 15,876,234.90 = 9,812,777.40 : x
  2. Step 2: Convert to fraction form
    10,561,606.20/15,876,234.90 = 9,812,777.40/x
  3. Step 3: Cross multiply
    10,561,606.20x = 15,876,234.90 × 9,812,777.40
  4. Step 4: Simplify right side
    10,561,606.20x = 155,789,959,023,811.28
  5. Step 5: Solve for x
    x = 155,789,959,023,811.28/10,561,606.20
  6. Step 6: Final answer
    x = 14,750,593.43

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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.