Home / 20,339,830.20-30,484,862.10-8,968,207.80

Finding the Fourth Proportional to 20,339,830.20, 30,484,862.10 and 8,968,207.80

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Solution

The fourth proportional to 20,339,830.20, 30,484,862.10 and 8,968,207.80 is: 13,441,340.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,339,830.20 : 30,484,862.10 = 8,968,207.80 : x
  2. Step 2: Convert to fraction form
    20,339,830.20/30,484,862.10 = 8,968,207.80/x
  3. Step 3: Cross multiply
    20,339,830.20x = 30,484,862.10 × 8,968,207.80
  4. Step 4: Simplify right side
    20,339,830.20x = 273,394,578,067,144.41
  5. Step 5: Solve for x
    x = 273,394,578,067,144.41/20,339,830.20
  6. Step 6: Final answer
    x = 13,441,340.24

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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.