Home / 38,358,372.71-52,936,443.92-21,838,824.47

Finding the Fourth Proportional to 38,358,372.71, 52,936,443.92 and 21,838,824.47

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Solution

The fourth proportional to 38,358,372.71, 52,936,443.92 and 21,838,824.47 is: 30,138,653.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,358,372.71 : 52,936,443.92 = 21,838,824.47 : x
  2. Step 2: Convert to fraction form
    38,358,372.71/52,936,443.92 = 21,838,824.47/x
  3. Step 3: Cross multiply
    38,358,372.71x = 52,936,443.92 × 21,838,824.47
  4. Step 4: Simplify right side
    38,358,372.71x = 1,156,069,707,021,817
  5. Step 5: Solve for x
    x = 1,156,069,707,021,817/38,358,372.71
  6. Step 6: Final answer
    x = 30,138,653.58

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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.