Home / 38,437,982.68-53,044,422.60-21,034,332.40

Finding the Fourth Proportional to 38,437,982.68, 53,044,422.60 and 21,034,332.40

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Solution

The fourth proportional to 38,437,982.68, 53,044,422.60 and 21,034,332.40 is: 29,027,382.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,437,982.68 : 53,044,422.60 = 21,034,332.40 : x
  2. Step 2: Convert to fraction form
    38,437,982.68/53,044,422.60 = 21,034,332.40/x
  3. Step 3: Cross multiply
    38,437,982.68x = 53,044,422.60 × 21,034,332.40
  4. Step 4: Simplify right side
    38,437,982.68x = 1,115,754,016,934,472.25
  5. Step 5: Solve for x
    x = 1,115,754,016,934,472.25/38,437,982.68
  6. Step 6: Final answer
    x = 29,027,382.27

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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.