Home / 12,451,242.60-18,677,447.10-3,932,245.80

Finding the Fourth Proportional to 12,451,242.60, 18,677,447.10 and 3,932,245.80

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Solution

The fourth proportional to 12,451,242.60, 18,677,447.10 and 3,932,245.80 is: 5,898,552.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451,242.60 : 18,677,447.10 = 3,932,245.80 : x
  2. Step 2: Convert to fraction form
    12,451,242.60/18,677,447.10 = 3,932,245.80/x
  3. Step 3: Cross multiply
    12,451,242.60x = 18,677,447.10 × 3,932,245.80
  4. Step 4: Simplify right side
    12,451,242.60x = 73,444,312,913,697.19
  5. Step 5: Solve for x
    x = 73,444,312,913,697.19/12,451,242.60
  6. Step 6: Final answer
    x = 5,898,552.88

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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.