Home / 21,477,665.28-32,219,524.28-6,899,696.56

Finding the Fourth Proportional to 21,477,665.28, 32,219,524.28 and 6,899,696.56

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Solution

The fourth proportional to 21,477,665.28, 32,219,524.28 and 6,899,696.56 is: 10,350,517.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,477,665.28 : 32,219,524.28 = 6,899,696.56 : x
  2. Step 2: Convert to fraction form
    21,477,665.28/32,219,524.28 = 6,899,696.56/x
  3. Step 3: Cross multiply
    21,477,665.28x = 32,219,524.28 × 6,899,696.56
  4. Step 4: Simplify right side
    21,477,665.28x = 222,304,940,696,432.44
  5. Step 5: Solve for x
    x = 222,304,940,696,432.44/21,477,665.28
  6. Step 6: Final answer
    x = 10,350,517.05

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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.