Home / 20,338,371.90-30,504,184.85-6,691,684.62

Finding the Fourth Proportional to 20,338,371.90, 30,504,184.85 and 6,691,684.62

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Solution

The fourth proportional to 20,338,371.90, 30,504,184.85 and 6,691,684.62 is: 10,036,417.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,338,371.90 : 30,504,184.85 = 6,691,684.62 : x
  2. Step 2: Convert to fraction form
    20,338,371.90/30,504,184.85 = 6,691,684.62/x
  3. Step 3: Cross multiply
    20,338,371.90x = 30,504,184.85 × 6,691,684.62
  4. Step 4: Simplify right side
    20,338,371.90x = 204,124,384,572,923.59
  5. Step 5: Solve for x
    x = 204,124,384,572,923.59/20,338,371.90
  6. Step 6: Final answer
    x = 10,036,417.15

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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.