Home / 15,735,060.59-21,557,109.91-15,145,314.87

Finding the Fourth Proportional to 15,735,060.59, 21,557,109.91 and 15,145,314.87

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Solution

The fourth proportional to 15,735,060.59, 21,557,109.91 and 15,145,314.87 is: 20,749,155.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,735,060.59 : 21,557,109.91 = 15,145,314.87 : x
  2. Step 2: Convert to fraction form
    15,735,060.59/21,557,109.91 = 15,145,314.87/x
  3. Step 3: Cross multiply
    15,735,060.59x = 21,557,109.91 × 15,145,314.87
  4. Step 4: Simplify right side
    15,735,060.59x = 326,489,217,274,147.38
  5. Step 5: Solve for x
    x = 326,489,217,274,147.38/15,735,060.59
  6. Step 6: Final answer
    x = 20,749,155.39

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.