Home / 18,144,620.80-27,216,931.20-17,528,761.60

Finding the Fourth Proportional to 18,144,620.80, 27,216,931.20 and 17,528,761.60

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Solution

The fourth proportional to 18,144,620.80, 27,216,931.20 and 17,528,761.60 is: 26,293,142.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,620.80 : 27,216,931.20 = 17,528,761.60 : x
  2. Step 2: Convert to fraction form
    18,144,620.80/27,216,931.20 = 17,528,761.60/x
  3. Step 3: Cross multiply
    18,144,620.80x = 27,216,931.20 × 17,528,761.60
  4. Step 4: Simplify right side
    18,144,620.80x = 477,079,098,488,401.94
  5. Step 5: Solve for x
    x = 477,079,098,488,401.94/18,144,620.80
  6. Step 6: Final answer
    x = 26,293,142.40

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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.