Home / 31,235,726.66-43,098,167.95-20,078,048.95

Finding the Fourth Proportional to 31,235,726.66, 43,098,167.95 and 20,078,048.95

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Solution

The fourth proportional to 31,235,726.66, 43,098,167.95 and 20,078,048.95 is: 27,703,121.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,235,726.66 : 43,098,167.95 = 20,078,048.95 : x
  2. Step 2: Convert to fraction form
    31,235,726.66/43,098,167.95 = 20,078,048.95/x
  3. Step 3: Cross multiply
    31,235,726.66x = 43,098,167.95 × 20,078,048.95
  4. Step 4: Simplify right side
    31,235,726.66x = 865,327,125,597,480.62
  5. Step 5: Solve for x
    x = 865,327,125,597,480.62/31,235,726.66
  6. Step 6: Final answer
    x = 27,703,121.34

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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.