Home / 18,715,884.60-28,073,826.90-16,164,967.80

Finding the Fourth Proportional to 18,715,884.60, 28,073,826.90 and 16,164,967.80

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Solution

The fourth proportional to 18,715,884.60, 28,073,826.90 and 16,164,967.80 is: 24,247,451.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,715,884.60 : 28,073,826.90 = 16,164,967.80 : x
  2. Step 2: Convert to fraction form
    18,715,884.60/28,073,826.90 = 16,164,967.80/x
  3. Step 3: Cross multiply
    18,715,884.60x = 28,073,826.90 × 16,164,967.80
  4. Step 4: Simplify right side
    18,715,884.60x = 453,812,507,861,273.81
  5. Step 5: Solve for x
    x = 453,812,507,861,273.81/18,715,884.60
  6. Step 6: Final answer
    x = 24,247,451.70

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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.