Home / 21,129,348.60-31,694,022.90-16,340,474.70

Finding the Fourth Proportional to 21,129,348.60, 31,694,022.90 and 16,340,474.70

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Solution

The fourth proportional to 21,129,348.60, 31,694,022.90 and 16,340,474.70 is: 24,510,712.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,129,348.60 : 31,694,022.90 = 16,340,474.70 : x
  2. Step 2: Convert to fraction form
    21,129,348.60/31,694,022.90 = 16,340,474.70/x
  3. Step 3: Cross multiply
    21,129,348.60x = 31,694,022.90 × 16,340,474.70
  4. Step 4: Simplify right side
    21,129,348.60x = 517,895,379,338,670.56
  5. Step 5: Solve for x
    x = 517,895,379,338,670.56/21,129,348.60
  6. Step 6: Final answer
    x = 24,510,712.05

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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.