Home / 13,474,820.10-20,212,230.15-5,389,043.70

Finding the Fourth Proportional to 13,474,820.10, 20,212,230.15 and 5,389,043.70

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Solution

The fourth proportional to 13,474,820.10, 20,212,230.15 and 5,389,043.70 is: 8,083,565.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,474,820.10 : 20,212,230.15 = 5,389,043.70 : x
  2. Step 2: Convert to fraction form
    13,474,820.10/20,212,230.15 = 5,389,043.70/x
  3. Step 3: Cross multiply
    13,474,820.10x = 20,212,230.15 × 5,389,043.70
  4. Step 4: Simplify right side
    13,474,820.10x = 108,924,591,552,807.55
  5. Step 5: Solve for x
    x = 108,924,591,552,807.55/13,474,820.10
  6. Step 6: Final answer
    x = 8,083,565.55

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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.