Home / 52,191,013.15-72,024,490.20-28,670,540.95

Finding the Fourth Proportional to 52,191,013.15, 72,024,490.20 and 28,670,540.95

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Solution

The fourth proportional to 52,191,013.15, 72,024,490.20 and 28,670,540.95 is: 39,565,836.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,191,013.15 : 72,024,490.20 = 28,670,540.95 : x
  2. Step 2: Convert to fraction form
    52,191,013.15/72,024,490.20 = 28,670,540.95/x
  3. Step 3: Cross multiply
    52,191,013.15x = 72,024,490.20 × 28,670,540.95
  4. Step 4: Simplify right side
    52,191,013.15x = 2,064,981,095,681,973.75
  5. Step 5: Solve for x
    x = 2,064,981,095,681,973.75/52,191,013.15
  6. Step 6: Final answer
    x = 39,565,836.55

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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.