Home / 28,343,543.88-39,115,372.42-15,957,893.11

Finding the Fourth Proportional to 28,343,543.88, 39,115,372.42 and 15,957,893.11

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Solution

The fourth proportional to 28,343,543.88, 39,115,372.42 and 15,957,893.11 is: 22,022,614.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,343,543.88 : 39,115,372.42 = 15,957,893.11 : x
  2. Step 2: Convert to fraction form
    28,343,543.88/39,115,372.42 = 15,957,893.11/x
  3. Step 3: Cross multiply
    28,343,543.88x = 39,115,372.42 × 15,957,893.11
  4. Step 4: Simplify right side
    28,343,543.88x = 624,198,931,941,939.12
  5. Step 5: Solve for x
    x = 624,198,931,941,939.12/28,343,543.88
  6. Step 6: Final answer
    x = 22,022,614.20

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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.