Home / 39,874,168.89-55,026,402.17-21,539,454.39

Finding the Fourth Proportional to 39,874,168.89, 55,026,402.17 and 21,539,454.39

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Solution

The fourth proportional to 39,874,168.89, 55,026,402.17 and 21,539,454.39 is: 29,724,473.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,874,168.89 : 55,026,402.17 = 21,539,454.39 : x
  2. Step 2: Convert to fraction form
    39,874,168.89/55,026,402.17 = 21,539,454.39/x
  3. Step 3: Cross multiply
    39,874,168.89x = 55,026,402.17 × 21,539,454.39
  4. Step 4: Simplify right side
    39,874,168.89x = 1,185,238,679,678,814.75
  5. Step 5: Solve for x
    x = 1,185,238,679,678,814.75/39,874,168.89
  6. Step 6: Final answer
    x = 29,724,473.58

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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.