Home / 15,057,068.52-20,778,711.62-8,181,548.76

Finding the Fourth Proportional to 15,057,068.52, 20,778,711.62 and 8,181,548.76

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Solution

The fourth proportional to 15,057,068.52, 20,778,711.62 and 8,181,548.76 is: 11,290,513.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,057,068.52 : 20,778,711.62 = 8,181,548.76 : x
  2. Step 2: Convert to fraction form
    15,057,068.52/20,778,711.62 = 8,181,548.76/x
  3. Step 3: Cross multiply
    15,057,068.52x = 20,778,711.62 × 8,181,548.76
  4. Step 4: Simplify right side
    15,057,068.52x = 170,002,042,289,008.59
  5. Step 5: Solve for x
    x = 170,002,042,289,008.59/15,057,068.52
  6. Step 6: Final answer
    x = 11,290,513.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.