Home / 8,301,687.20-12,452,530.80-2,916,418.40

Finding the Fourth Proportional to 8,301,687.20, 12,452,530.80 and 2,916,418.40

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Solution

The fourth proportional to 8,301,687.20, 12,452,530.80 and 2,916,418.40 is: 4,374,627.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,301,687.20 : 12,452,530.80 = 2,916,418.40 : x
  2. Step 2: Convert to fraction form
    8,301,687.20/12,452,530.80 = 2,916,418.40/x
  3. Step 3: Cross multiply
    8,301,687.20x = 12,452,530.80 × 2,916,418.40
  4. Step 4: Simplify right side
    8,301,687.20x = 36,316,789,951,686.72
  5. Step 5: Solve for x
    x = 36,316,789,951,686.72/8,301,687.20
  6. Step 6: Final answer
    x = 4,374,627.60

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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.