Home / 8,268,145.20-12,402,217.80-5,982,948.90

Finding the Fourth Proportional to 8,268,145.20, 12,402,217.80 and 5,982,948.90

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Solution

The fourth proportional to 8,268,145.20, 12,402,217.80 and 5,982,948.90 is: 8,974,423.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268,145.20 : 12,402,217.80 = 5,982,948.90 : x
  2. Step 2: Convert to fraction form
    8,268,145.20/12,402,217.80 = 5,982,948.90/x
  3. Step 3: Cross multiply
    8,268,145.20x = 12,402,217.80 × 5,982,948.90
  4. Step 4: Simplify right side
    8,268,145.20x = 74,201,835,344,070.42
  5. Step 5: Solve for x
    x = 74,201,835,344,070.42/8,268,145.20
  6. Step 6: Final answer
    x = 8,974,423.35

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Double scale
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Similar ratio
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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.