Home / 8,193,402.40-12,290,103.60-5,642,485.60

Finding the Fourth Proportional to 8,193,402.40, 12,290,103.60 and 5,642,485.60

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Solution

The fourth proportional to 8,193,402.40, 12,290,103.60 and 5,642,485.60 is: 8,463,728.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,193,402.40 : 12,290,103.60 = 5,642,485.60 : x
  2. Step 2: Convert to fraction form
    8,193,402.40/12,290,103.60 = 5,642,485.60/x
  3. Step 3: Cross multiply
    8,193,402.40x = 12,290,103.60 × 5,642,485.60
  4. Step 4: Simplify right side
    8,193,402.40x = 69,346,732,585,508.16
  5. Step 5: Solve for x
    x = 69,346,732,585,508.16/8,193,402.40
  6. Step 6: Final answer
    x = 8,463,728.40

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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.