Home / 18,723,381.60-28,053,579.60-16,015,000.80

Finding the Fourth Proportional to 18,723,381.60, 28,053,579.60 and 16,015,000.80

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Solution

The fourth proportional to 18,723,381.60, 28,053,579.60 and 16,015,000.80 is: 23,995,563.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,723,381.60 : 28,053,579.60 = 16,015,000.80 : x
  2. Step 2: Convert to fraction form
    18,723,381.60/28,053,579.60 = 16,015,000.80/x
  3. Step 3: Cross multiply
    18,723,381.60x = 28,053,579.60 × 16,015,000.80
  4. Step 4: Simplify right side
    18,723,381.60x = 449,278,099,736,863.75
  5. Step 5: Solve for x
    x = 449,278,099,736,863.75/18,723,381.60
  6. Step 6: Final answer
    x = 23,995,563.91

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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.