Home / 20,226,028.10-30,339,042.15-13,423,583.30

Finding the Fourth Proportional to 20,226,028.10, 30,339,042.15 and 13,423,583.30

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Solution

The fourth proportional to 20,226,028.10, 30,339,042.15 and 13,423,583.30 is: 20,135,374.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,226,028.10 : 30,339,042.15 = 13,423,583.30 : x
  2. Step 2: Convert to fraction form
    20,226,028.10/30,339,042.15 = 13,423,583.30/x
  3. Step 3: Cross multiply
    20,226,028.10x = 30,339,042.15 × 13,423,583.30
  4. Step 4: Simplify right side
    20,226,028.10x = 407,258,659,542,736.12
  5. Step 5: Solve for x
    x = 407,258,659,542,736.12/20,226,028.10
  6. Step 6: Final answer
    x = 20,135,374.95

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Double scale
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1.5x scale

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.