Home / 20,704,820.40-31,057,230.60-5,560,282.80

Finding the Fourth Proportional to 20,704,820.40, 31,057,230.60 and 5,560,282.80

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Solution

The fourth proportional to 20,704,820.40, 31,057,230.60 and 5,560,282.80 is: 8,340,424.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,704,820.40 : 31,057,230.60 = 5,560,282.80 : x
  2. Step 2: Convert to fraction form
    20,704,820.40/31,057,230.60 = 5,560,282.80/x
  3. Step 3: Cross multiply
    20,704,820.40x = 31,057,230.60 × 5,560,282.80
  4. Step 4: Simplify right side
    20,704,820.40x = 172,686,985,120,813.69
  5. Step 5: Solve for x
    x = 172,686,985,120,813.69/20,704,820.40
  6. Step 6: Final answer
    x = 8,340,424.20

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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.