Home / 15,202,343.48-20,978,974.71-8,232,964.43

Finding the Fourth Proportional to 15,202,343.48, 20,978,974.71 and 8,232,964.43

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Solution

The fourth proportional to 15,202,343.48, 20,978,974.71 and 8,232,964.43 is: 11,361,350.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,202,343.48 : 20,978,974.71 = 8,232,964.43 : x
  2. Step 2: Convert to fraction form
    15,202,343.48/20,978,974.71 = 8,232,964.43/x
  3. Step 3: Cross multiply
    15,202,343.48x = 20,978,974.71 × 8,232,964.43
  4. Step 4: Simplify right side
    15,202,343.48x = 172,719,152,460,404.69
  5. Step 5: Solve for x
    x = 172,719,152,460,404.69/15,202,343.48
  6. Step 6: Final answer
    x = 11,361,350.49

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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.