Home / 17,215,340.40-25,767,023.40-13,408,210.80

Finding the Fourth Proportional to 17,215,340.40, 25,767,023.40 and 13,408,210.80

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Solution

The fourth proportional to 17,215,340.40, 25,767,023.40 and 13,408,210.80 is: 20,068,710.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,215,340.40 : 25,767,023.40 = 13,408,210.80 : x
  2. Step 2: Convert to fraction form
    17,215,340.40/25,767,023.40 = 13,408,210.80/x
  3. Step 3: Cross multiply
    17,215,340.40x = 25,767,023.40 × 13,408,210.80
  4. Step 4: Simplify right side
    17,215,340.40x = 345,489,681,435,732.75
  5. Step 5: Solve for x
    x = 345,489,681,435,732.75/17,215,340.40
  6. Step 6: Final answer
    x = 20,068,710.43

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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.