Home / 18,723,034.20-28,084,551.30-16,931,443.80

Finding the Fourth Proportional to 18,723,034.20, 28,084,551.30 and 16,931,443.80

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Solution

The fourth proportional to 18,723,034.20, 28,084,551.30 and 16,931,443.80 is: 25,397,165.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,723,034.20 : 28,084,551.30 = 16,931,443.80 : x
  2. Step 2: Convert to fraction form
    18,723,034.20/28,084,551.30 = 16,931,443.80/x
  3. Step 3: Cross multiply
    18,723,034.20x = 28,084,551.30 × 16,931,443.80
  4. Step 4: Simplify right side
    18,723,034.20x = 475,512,001,984,167
  5. Step 5: Solve for x
    x = 475,512,001,984,167/18,723,034.20
  6. Step 6: Final answer
    x = 25,397,165.70

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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.