Home / 15,520,816.00-21,419,386.99-8,645,296.24

Finding the Fourth Proportional to 15,520,816.00, 21,419,386.99 and 8,645,296.24

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Solution

The fourth proportional to 15,520,816.00, 21,419,386.99 and 8,645,296.24 is: 11,930,876.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,520,816.00 : 21,419,386.99 = 8,645,296.24 : x
  2. Step 2: Convert to fraction form
    15,520,816.00/21,419,386.99 = 8,645,296.24/x
  3. Step 3: Cross multiply
    15,520,816.00x = 21,419,386.99 × 8,645,296.24
  4. Step 4: Simplify right side
    15,520,816.00x = 185,176,945,861,542.72
  5. Step 5: Solve for x
    x = 185,176,945,861,542.72/15,520,816.00
  6. Step 6: Final answer
    x = 11,930,876.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.