Home / 12,468,228.60-18,702,926.10-3,949,231.80

Finding the Fourth Proportional to 12,468,228.60, 18,702,926.10 and 3,949,231.80

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Solution

The fourth proportional to 12,468,228.60, 18,702,926.10 and 3,949,231.80 is: 5,924,032.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,468,228.60 : 18,702,926.10 = 3,949,231.80 : x
  2. Step 2: Convert to fraction form
    12,468,228.60/18,702,926.10 = 3,949,231.80/x
  3. Step 3: Cross multiply
    12,468,228.60x = 18,702,926.10 × 3,949,231.80
  4. Step 4: Simplify right side
    12,468,228.60x = 73,862,190,507,169.98
  5. Step 5: Solve for x
    x = 73,862,190,507,169.98/12,468,228.60
  6. Step 6: Final answer
    x = 5,924,032.42

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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.