Home / 20,360,461.20-30,522,977.10-12,264,843.30

Finding the Fourth Proportional to 20,360,461.20, 30,522,977.10 and 12,264,843.30

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Solution

The fourth proportional to 20,360,461.20, 30,522,977.10 and 12,264,843.30 is: 18,386,593.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,360,461.20 : 30,522,977.10 = 12,264,843.30 : x
  2. Step 2: Convert to fraction form
    20,360,461.20/30,522,977.10 = 12,264,843.30/x
  3. Step 3: Cross multiply
    20,360,461.20x = 30,522,977.10 × 12,264,843.30
  4. Step 4: Simplify right side
    20,360,461.20x = 374,359,531,180,988.50
  5. Step 5: Solve for x
    x = 374,359,531,180,988.50/20,360,461.20
  6. Step 6: Final answer
    x = 18,386,593.87

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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.