Home / 12,144,476.60-18,218,756.10-3,625,674.20

Finding the Fourth Proportional to 12,144,476.60, 18,218,756.10 and 3,625,674.20

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Solution

The fourth proportional to 12,144,476.60, 18,218,756.10 and 3,625,674.20 is: 5,439,120.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,144,476.60 : 18,218,756.10 = 3,625,674.20 : x
  2. Step 2: Convert to fraction form
    12,144,476.60/18,218,756.10 = 3,625,674.20/x
  3. Step 3: Cross multiply
    12,144,476.60x = 18,218,756.10 × 3,625,674.20
  4. Step 4: Simplify right side
    12,144,476.60x = 66,055,273,947,862.62
  5. Step 5: Solve for x
    x = 66,055,273,947,862.62/12,144,476.60
  6. Step 6: Final answer
    x = 5,439,120.69

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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.