Home / 13,145,463.57-18,137,630.83-7,635,564.52

Finding the Fourth Proportional to 13,145,463.57, 18,137,630.83 and 7,635,564.52

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Solution

The fourth proportional to 13,145,463.57, 18,137,630.83 and 7,635,564.52 is: 10,535,273.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,145,463.57 : 18,137,630.83 = 7,635,564.52 : x
  2. Step 2: Convert to fraction form
    13,145,463.57/18,137,630.83 = 7,635,564.52/x
  3. Step 3: Cross multiply
    13,145,463.57x = 18,137,630.83 × 7,635,564.52
  4. Step 4: Simplify right side
    13,145,463.57x = 138,491,050,442,406.12
  5. Step 5: Solve for x
    x = 138,491,050,442,406.12/13,145,463.57
  6. Step 6: Final answer
    x = 10,535,273.23

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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.