Home / 10,719,020.20-16,078,530.30-9,177,841.30

Finding the Fourth Proportional to 10,719,020.20, 16,078,530.30 and 9,177,841.30

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Solution

The fourth proportional to 10,719,020.20, 16,078,530.30 and 9,177,841.30 is: 13,766,761.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,719,020.20 : 16,078,530.30 = 9,177,841.30 : x
  2. Step 2: Convert to fraction form
    10,719,020.20/16,078,530.30 = 9,177,841.30/x
  3. Step 3: Cross multiply
    10,719,020.20x = 16,078,530.30 × 9,177,841.30
  4. Step 4: Simplify right side
    10,719,020.20x = 147,566,199,430,641.41
  5. Step 5: Solve for x
    x = 147,566,199,430,641.41/10,719,020.20
  6. Step 6: Final answer
    x = 13,766,761.95

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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.