Home / 20,224,254.30-30,336,381.45-7,442,114.10

Finding the Fourth Proportional to 20,224,254.30, 30,336,381.45 and 7,442,114.10

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Solution

The fourth proportional to 20,224,254.30, 30,336,381.45 and 7,442,114.10 is: 11,163,171.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,224,254.30 : 30,336,381.45 = 7,442,114.10 : x
  2. Step 2: Convert to fraction form
    20,224,254.30/30,336,381.45 = 7,442,114.10/x
  3. Step 3: Cross multiply
    20,224,254.30x = 30,336,381.45 × 7,442,114.10
  4. Step 4: Simplify right side
    20,224,254.30x = 225,766,812,132,023.44
  5. Step 5: Solve for x
    x = 225,766,812,132,023.44/20,224,254.30
  6. Step 6: Final answer
    x = 11,163,171.15

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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.