Home / 12,542,892.30-18,814,338.45-9,708,540.30

Finding the Fourth Proportional to 12,542,892.30, 18,814,338.45 and 9,708,540.30

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Solution

The fourth proportional to 12,542,892.30, 18,814,338.45 and 9,708,540.30 is: 14,562,810.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,542,892.30 : 18,814,338.45 = 9,708,540.30 : x
  2. Step 2: Convert to fraction form
    12,542,892.30/18,814,338.45 = 9,708,540.30/x
  3. Step 3: Cross multiply
    12,542,892.30x = 18,814,338.45 × 9,708,540.30
  4. Step 4: Simplify right side
    12,542,892.30x = 182,659,763,059,664.53
  5. Step 5: Solve for x
    x = 182,659,763,059,664.53/12,542,892.30
  6. Step 6: Final answer
    x = 14,562,810.45

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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.