Home / 10,369,861.20-15,554,791.80-8,951,518.80

Finding the Fourth Proportional to 10,369,861.20, 15,554,791.80 and 8,951,518.80

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Solution

The fourth proportional to 10,369,861.20, 15,554,791.80 and 8,951,518.80 is: 13,427,278.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369,861.20 : 15,554,791.80 = 8,951,518.80 : x
  2. Step 2: Convert to fraction form
    10,369,861.20/15,554,791.80 = 8,951,518.80/x
  3. Step 3: Cross multiply
    10,369,861.20x = 15,554,791.80 × 8,951,518.80
  4. Step 4: Simplify right side
    10,369,861.20x = 139,239,011,227,785.86
  5. Step 5: Solve for x
    x = 139,239,011,227,785.86/10,369,861.20
  6. Step 6: Final answer
    x = 13,427,278.20

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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.