Home / 39,137,414.25-54,010,279.27-21,497,946.80

Finding the Fourth Proportional to 39,137,414.25, 54,010,279.27 and 21,497,946.80

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Solution

The fourth proportional to 39,137,414.25, 54,010,279.27 and 21,497,946.80 is: 29,667,522.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,137,414.25 : 54,010,279.27 = 21,497,946.80 : x
  2. Step 2: Convert to fraction form
    39,137,414.25/54,010,279.27 = 21,497,946.80/x
  3. Step 3: Cross multiply
    39,137,414.25x = 54,010,279.27 × 21,497,946.80
  4. Step 4: Simplify right side
    39,137,414.25x = 1,161,110,110,460,231.75
  5. Step 5: Solve for x
    x = 1,161,110,110,460,231.75/39,137,414.25
  6. Step 6: Final answer
    x = 29,667,522.31

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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.