Home / 10,181,634.60-15,272,451.90-9,789,724.20

Finding the Fourth Proportional to 10,181,634.60, 15,272,451.90 and 9,789,724.20

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Solution

The fourth proportional to 10,181,634.60, 15,272,451.90 and 9,789,724.20 is: 14,684,586.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,181,634.60 : 15,272,451.90 = 9,789,724.20 : x
  2. Step 2: Convert to fraction form
    10,181,634.60/15,272,451.90 = 9,789,724.20/x
  3. Step 3: Cross multiply
    10,181,634.60x = 15,272,451.90 × 9,789,724.20
  4. Step 4: Simplify right side
    10,181,634.60x = 149,513,091,958,765.97
  5. Step 5: Solve for x
    x = 149,513,091,958,765.97/10,181,634.60
  6. Step 6: Final answer
    x = 14,684,586.30

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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.