Home / 10,123,172.80-13,969,977.92-5,539,494.72

Finding the Fourth Proportional to 10,123,172.80, 13,969,977.92 and 5,539,494.72

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Solution

The fourth proportional to 10,123,172.80, 13,969,977.92 and 5,539,494.72 is: 7,644,502.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,123,172.80 : 13,969,977.92 = 5,539,494.72 : x
  2. Step 2: Convert to fraction form
    10,123,172.80/13,969,977.92 = 5,539,494.72/x
  3. Step 3: Cross multiply
    10,123,172.80x = 13,969,977.92 × 5,539,494.72
  4. Step 4: Simplify right side
    10,123,172.80x = 77,386,618,926,356.58
  5. Step 5: Solve for x
    x = 77,386,618,926,356.58/10,123,172.80
  6. Step 6: Final answer
    x = 7,644,502.42

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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.