Home / 31,251,319.98-43,141,774.77-20,814,704.70

Finding the Fourth Proportional to 31,251,319.98, 43,141,774.77 and 20,814,704.70

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Solution

The fourth proportional to 31,251,319.98, 43,141,774.77 and 20,814,704.70 is: 28,734,251.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,251,319.98 : 43,141,774.77 = 20,814,704.70 : x
  2. Step 2: Convert to fraction form
    31,251,319.98/43,141,774.77 = 20,814,704.70/x
  3. Step 3: Cross multiply
    31,251,319.98x = 43,141,774.77 × 20,814,704.70
  4. Step 4: Simplify right side
    31,251,319.98x = 897,983,302,071,460.50
  5. Step 5: Solve for x
    x = 897,983,302,071,460.50/31,251,319.98
  6. Step 6: Final answer
    x = 28,734,251.95

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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.