Home / 15,665,987.08-23,493,658.14-5,428,458.28

Finding the Fourth Proportional to 15,665,987.08, 23,493,658.14 and 5,428,458.28

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Solution

The fourth proportional to 15,665,987.08, 23,493,658.14 and 5,428,458.28 is: 8,140,843.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,665,987.08 : 23,493,658.14 = 5,428,458.28 : x
  2. Step 2: Convert to fraction form
    15,665,987.08/23,493,658.14 = 5,428,458.28/x
  3. Step 3: Cross multiply
    15,665,987.08x = 23,493,658.14 × 5,428,458.28
  4. Step 4: Simplify right side
    15,665,987.08x = 127,534,343,057,572.41
  5. Step 5: Solve for x
    x = 127,534,343,057,572.41/15,665,987.08
  6. Step 6: Final answer
    x = 8,140,843.11

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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.