Home / 39,215,720.48-54,116,607.68-21,333,347.97

Finding the Fourth Proportional to 39,215,720.48, 54,116,607.68 and 21,333,347.97

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Solution

The fourth proportional to 39,215,720.48, 54,116,607.68 and 21,333,347.97 is: 29,439,429.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,215,720.48 : 54,116,607.68 = 21,333,347.97 : x
  2. Step 2: Convert to fraction form
    39,215,720.48/54,116,607.68 = 21,333,347.97/x
  3. Step 3: Cross multiply
    39,215,720.48x = 54,116,607.68 × 21,333,347.97
  4. Step 4: Simplify right side
    39,215,720.48x = 1,154,488,422,593,414.25
  5. Step 5: Solve for x
    x = 1,154,488,422,593,414.25/39,215,720.48
  6. Step 6: Final answer
    x = 29,439,429.10

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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.