Home / 8,260,080.40-12,390,120.60-4,433,705.20

Finding the Fourth Proportional to 8,260,080.40, 12,390,120.60 and 4,433,705.20

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Solution

The fourth proportional to 8,260,080.40, 12,390,120.60 and 4,433,705.20 is: 6,650,557.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260,080.40 : 12,390,120.60 = 4,433,705.20 : x
  2. Step 2: Convert to fraction form
    8,260,080.40/12,390,120.60 = 4,433,705.20/x
  3. Step 3: Cross multiply
    8,260,080.40x = 12,390,120.60 × 4,433,705.20
  4. Step 4: Simplify right side
    8,260,080.40x = 54,934,142,132,847.12
  5. Step 5: Solve for x
    x = 54,934,142,132,847.12/8,260,080.40
  6. Step 6: Final answer
    x = 6,650,557.80

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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.