Home / 31,136,963.53-42,969,008.03-16,815,385.49

Finding the Fourth Proportional to 31,136,963.53, 42,969,008.03 and 16,815,385.49

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Solution

The fourth proportional to 31,136,963.53, 42,969,008.03 and 16,815,385.49 is: 23,205,231.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,136,963.53 : 42,969,008.03 = 16,815,385.49 : x
  2. Step 2: Convert to fraction form
    31,136,963.53/42,969,008.03 = 16,815,385.49/x
  3. Step 3: Cross multiply
    31,136,963.53x = 42,969,008.03 × 16,815,385.49
  4. Step 4: Simplify right side
    31,136,963.53x = 722,540,434,016,590.12
  5. Step 5: Solve for x
    x = 722,540,434,016,590.12/31,136,963.53
  6. Step 6: Final answer
    x = 23,205,231.09

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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.