Home / 18,801,869.88-25,954,517.16-12,698,565.24

Finding the Fourth Proportional to 18,801,869.88, 25,954,517.16 and 12,698,565.24

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Solution

The fourth proportional to 18,801,869.88, 25,954,517.16 and 12,698,565.24 is: 17,529,380.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,801,869.88 : 25,954,517.16 = 12,698,565.24 : x
  2. Step 2: Convert to fraction form
    18,801,869.88/25,954,517.16 = 12,698,565.24/x
  3. Step 3: Cross multiply
    18,801,869.88x = 25,954,517.16 × 12,698,565.24
  4. Step 4: Simplify right side
    18,801,869.88x = 329,585,129,428,959.50
  5. Step 5: Solve for x
    x = 329,585,129,428,959.50/18,801,869.88
  6. Step 6: Final answer
    x = 17,529,380.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.