Home / 18,715,923.60-28,073,885.40-16,165,006.80

Finding the Fourth Proportional to 18,715,923.60, 28,073,885.40 and 16,165,006.80

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Solution

The fourth proportional to 18,715,923.60, 28,073,885.40 and 16,165,006.80 is: 24,247,510.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,715,923.60 : 28,073,885.40 = 16,165,006.80 : x
  2. Step 2: Convert to fraction form
    18,715,923.60/28,073,885.40 = 16,165,006.80/x
  3. Step 3: Cross multiply
    18,715,923.60x = 28,073,885.40 × 16,165,006.80
  4. Step 4: Simplify right side
    18,715,923.60x = 453,814,548,393,420.69
  5. Step 5: Solve for x
    x = 453,814,548,393,420.69/18,715,923.60
  6. Step 6: Final answer
    x = 24,247,510.20

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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.