Home / 13,540,063.20-20,297,149.20-5,018,114.40

Finding the Fourth Proportional to 13,540,063.20, 20,297,149.20 and 5,018,114.40

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Solution

The fourth proportional to 13,540,063.20, 20,297,149.20 and 5,018,114.40 is: 7,522,373.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,540,063.20 : 20,297,149.20 = 5,018,114.40 : x
  2. Step 2: Convert to fraction form
    13,540,063.20/20,297,149.20 = 5,018,114.40/x
  3. Step 3: Cross multiply
    13,540,063.20x = 20,297,149.20 × 5,018,114.40
  4. Step 4: Simplify right side
    13,540,063.20x = 101,853,416,679,468.48
  5. Step 5: Solve for x
    x = 101,853,416,679,468.48/13,540,063.20
  6. Step 6: Final answer
    x = 7,522,373.80

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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.