Home / 20,398,843.70-30,598,265.55-19,202,117.30

Finding the Fourth Proportional to 20,398,843.70, 30,598,265.55 and 19,202,117.30

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Solution

The fourth proportional to 20,398,843.70, 30,598,265.55 and 19,202,117.30 is: 28,803,175.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,398,843.70 : 30,598,265.55 = 19,202,117.30 : x
  2. Step 2: Convert to fraction form
    20,398,843.70/30,598,265.55 = 19,202,117.30/x
  3. Step 3: Cross multiply
    20,398,843.70x = 30,598,265.55 × 19,202,117.30
  4. Step 4: Simplify right side
    20,398,843.70x = 587,551,484,267,649
  5. Step 5: Solve for x
    x = 587,551,484,267,649/20,398,843.70
  6. Step 6: Final answer
    x = 28,803,175.95

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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.