Home / 13,408,079.40-20,122,616.70-6,220,503.90

Finding the Fourth Proportional to 13,408,079.40, 20,122,616.70 and 6,220,503.90

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Solution

The fourth proportional to 13,408,079.40, 20,122,616.70 and 6,220,503.90 is: 9,335,626.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,408,079.40 : 20,122,616.70 = 6,220,503.90 : x
  2. Step 2: Convert to fraction form
    13,408,079.40/20,122,616.70 = 6,220,503.90/x
  3. Step 3: Cross multiply
    13,408,079.40x = 20,122,616.70 × 6,220,503.90
  4. Step 4: Simplify right side
    13,408,079.40x = 125,172,815,660,555.14
  5. Step 5: Solve for x
    x = 125,172,815,660,555.14/13,408,079.40
  6. Step 6: Final answer
    x = 9,335,626.07

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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.