Home / 13,413,871.80-20,120,807.70-4,891,375.80

Finding the Fourth Proportional to 13,413,871.80, 20,120,807.70 and 4,891,375.80

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Solution

The fourth proportional to 13,413,871.80, 20,120,807.70 and 4,891,375.80 is: 7,337,063.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,413,871.80 : 20,120,807.70 = 4,891,375.80 : x
  2. Step 2: Convert to fraction form
    13,413,871.80/20,120,807.70 = 4,891,375.80/x
  3. Step 3: Cross multiply
    13,413,871.80x = 20,120,807.70 × 4,891,375.80
  4. Step 4: Simplify right side
    13,413,871.80x = 98,418,431,860,233.66
  5. Step 5: Solve for x
    x = 98,418,431,860,233.66/13,413,871.80
  6. Step 6: Final answer
    x = 7,337,063.70

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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.