Home / 15,517,483.20-21,416,732.64-8,995,192.56

Finding the Fourth Proportional to 15,517,483.20, 21,416,732.64 and 8,995,192.56

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Solution

The fourth proportional to 15,517,483.20, 21,416,732.64 and 8,995,192.56 is: 12,414,876.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,517,483.20 : 21,416,732.64 = 8,995,192.56 : x
  2. Step 2: Convert to fraction form
    15,517,483.20/21,416,732.64 = 8,995,192.56/x
  3. Step 3: Cross multiply
    15,517,483.20x = 21,416,732.64 × 8,995,192.56
  4. Step 4: Simplify right side
    15,517,483.20x = 192,647,634,102,837.19
  5. Step 5: Solve for x
    x = 192,647,634,102,837.19/15,517,483.20
  6. Step 6: Final answer
    x = 12,414,876.28

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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.