Home / 10,561,777.20-15,876,491.40-9,812,948.40

Finding the Fourth Proportional to 10,561,777.20, 15,876,491.40 and 9,812,948.40

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Solution

The fourth proportional to 10,561,777.20, 15,876,491.40 and 9,812,948.40 is: 14,750,849.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,561,777.20 : 15,876,491.40 = 9,812,948.40 : x
  2. Step 2: Convert to fraction form
    10,561,777.20/15,876,491.40 = 9,812,948.40/x
  3. Step 3: Cross multiply
    10,561,777.20x = 15,876,491.40 × 9,812,948.40
  4. Step 4: Simplify right side
    10,561,777.20x = 155,795,190,881,243.78
  5. Step 5: Solve for x
    x = 155,795,190,881,243.78/10,561,777.20
  6. Step 6: Final answer
    x = 14,750,849.97

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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.