Home / 18,502,759.92-25,534,111.12-10,129,990.08

Finding the Fourth Proportional to 18,502,759.92, 25,534,111.12 and 10,129,990.08

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Solution

The fourth proportional to 18,502,759.92, 25,534,111.12 and 10,129,990.08 is: 13,979,551.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,502,759.92 : 25,534,111.12 = 10,129,990.08 : x
  2. Step 2: Convert to fraction form
    18,502,759.92/25,534,111.12 = 10,129,990.08/x
  3. Step 3: Cross multiply
    18,502,759.92x = 25,534,111.12 × 10,129,990.08
  4. Step 4: Simplify right side
    18,502,759.92x = 258,660,292,347,217.69
  5. Step 5: Solve for x
    x = 258,660,292,347,217.69/18,502,759.92
  6. Step 6: Final answer
    x = 13,979,551.89

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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.