Home / 20,134,100.40-30,165,721.20-16,520,301.60

Finding the Fourth Proportional to 20,134,100.40, 30,165,721.20 and 16,520,301.60

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Solution

The fourth proportional to 20,134,100.40, 30,165,721.20 and 16,520,301.60 is: 24,751,382.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,134,100.40 : 30,165,721.20 = 16,520,301.60 : x
  2. Step 2: Convert to fraction form
    20,134,100.40/30,165,721.20 = 16,520,301.60/x
  3. Step 3: Cross multiply
    20,134,100.40x = 30,165,721.20 × 16,520,301.60
  4. Step 4: Simplify right side
    20,134,100.40x = 498,346,812,205,513.88
  5. Step 5: Solve for x
    x = 498,346,812,205,513.88/20,134,100.40
  6. Step 6: Final answer
    x = 24,751,382.10

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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.