Home / 47,859,938.39-71,785,478.90-13,316,863.88

Finding the Fourth Proportional to 47,859,938.39, 71,785,478.90 and 13,316,863.88

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Solution

The fourth proportional to 47,859,938.39, 71,785,478.90 and 13,316,863.88 is: 19,974,063.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,859,938.39 : 71,785,478.90 = 13,316,863.88 : x
  2. Step 2: Convert to fraction form
    47,859,938.39/71,785,478.90 = 13,316,863.88/x
  3. Step 3: Cross multiply
    47,859,938.39x = 71,785,478.90 × 13,316,863.88
  4. Step 4: Simplify right side
    47,859,938.39x = 955,957,450,646,400.38
  5. Step 5: Solve for x
    x = 955,957,450,646,400.38/47,859,938.39
  6. Step 6: Final answer
    x = 19,974,063.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.