Home / 19,933,179.20-29,899,768.80-19,555,265.60

Finding the Fourth Proportional to 19,933,179.20, 29,899,768.80 and 19,555,265.60

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Solution

The fourth proportional to 19,933,179.20, 29,899,768.80 and 19,555,265.60 is: 29,332,898.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,933,179.20 : 29,899,768.80 = 19,555,265.60 : x
  2. Step 2: Convert to fraction form
    19,933,179.20/29,899,768.80 = 19,555,265.60/x
  3. Step 3: Cross multiply
    19,933,179.20x = 29,899,768.80 × 19,555,265.60
  4. Step 4: Simplify right side
    19,933,179.20x = 584,697,920,262,593.38
  5. Step 5: Solve for x
    x = 584,697,920,262,593.38/19,933,179.20
  6. Step 6: Final answer
    x = 29,332,898.40

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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.