Home / 12,427,619.04-18,642,486.53-3,793,658.78

Finding the Fourth Proportional to 12,427,619.04, 18,642,486.53 and 3,793,658.78

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Solution

The fourth proportional to 12,427,619.04, 18,642,486.53 and 3,793,658.78 is: 5,690,811.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,427,619.04 : 18,642,486.53 = 3,793,658.78 : x
  2. Step 2: Convert to fraction form
    12,427,619.04/18,642,486.53 = 3,793,658.78/x
  3. Step 3: Cross multiply
    12,427,619.04x = 18,642,486.53 × 3,793,658.78
  4. Step 4: Simplify right side
    12,427,619.04x = 70,723,232,761,656.59
  5. Step 5: Solve for x
    x = 70,723,232,761,656.59/12,427,619.04
  6. Step 6: Final answer
    x = 5,690,811.13

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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.