Home / 28,343,553.02-39,115,385.04-15,957,902.27

Finding the Fourth Proportional to 28,343,553.02, 39,115,385.04 and 15,957,902.27

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Solution

The fourth proportional to 28,343,553.02, 39,115,385.04 and 15,957,902.27 is: 22,022,626.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,343,553.02 : 39,115,385.04 = 15,957,902.27 : x
  2. Step 2: Convert to fraction form
    28,343,553.02/39,115,385.04 = 15,957,902.27/x
  3. Step 3: Cross multiply
    28,343,553.02x = 39,115,385.04 × 15,957,902.27
  4. Step 4: Simplify right side
    28,343,553.02x = 624,199,491,721,740
  5. Step 5: Solve for x
    x = 624,199,491,721,740/28,343,553.02
  6. Step 6: Final answer
    x = 22,022,626.85

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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.