Home / 50,706,471.60-69,976,514.84-28,679,540

Finding the Fourth Proportional to 50,706,471.60, 69,976,514.84 and 28,679,540

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Solution

The fourth proportional to 50,706,471.60, 69,976,514.84 and 28,679,540 is: 39,578,661.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,706,471.60 : 69,976,514.84 = 28,679,540 : x
  2. Step 2: Convert to fraction form
    50,706,471.60/69,976,514.84 = 28,679,540/x
  3. Step 3: Cross multiply
    50,706,471.60x = 69,976,514.84 × 28,679,540
  4. Step 4: Simplify right side
    50,706,471.60x = 2,006,894,256,414,373.75
  5. Step 5: Solve for x
    x = 2,006,894,256,414,373.75/50,706,471.60
  6. Step 6: Final answer
    x = 39,578,661.13

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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.