Home / 39,379,045.08-54,343,092.06-21,737,957.88

Finding the Fourth Proportional to 39,379,045.08, 54,343,092.06 and 21,737,957.88

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Solution

The fourth proportional to 39,379,045.08, 54,343,092.06 and 21,737,957.88 is: 29,998,387.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,379,045.08 : 54,343,092.06 = 21,737,957.88 : x
  2. Step 2: Convert to fraction form
    39,379,045.08/54,343,092.06 = 21,737,957.88/x
  3. Step 3: Cross multiply
    39,379,045.08x = 54,343,092.06 × 21,737,957.88
  4. Step 4: Simplify right side
    39,379,045.08x = 1,181,307,846,269,242.50
  5. Step 5: Solve for x
    x = 1,181,307,846,269,242.50/39,379,045.08
  6. Step 6: Final answer
    x = 29,998,387.31

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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.