Home / 21,548,876.20-32,360,639.10-11,471,180.20

Finding the Fourth Proportional to 21,548,876.20, 32,360,639.10 and 11,471,180.20

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Solution

The fourth proportional to 21,548,876.20, 32,360,639.10 and 11,471,180.20 is: 17,226,639.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,548,876.20 : 32,360,639.10 = 11,471,180.20 : x
  2. Step 2: Convert to fraction form
    21,548,876.20/32,360,639.10 = 11,471,180.20/x
  3. Step 3: Cross multiply
    21,548,876.20x = 32,360,639.10 × 11,471,180.20
  4. Step 4: Simplify right side
    21,548,876.20x = 371,214,722,503,265.81
  5. Step 5: Solve for x
    x = 371,214,722,503,265.81/21,548,876.20
  6. Step 6: Final answer
    x = 17,226,639.53

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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.