Home / 15,011,172.82-22,519,830.44-5,161,957.11

Finding the Fourth Proportional to 15,011,172.82, 22,519,830.44 and 5,161,957.11

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Solution

The fourth proportional to 15,011,172.82, 22,519,830.44 and 5,161,957.11 is: 7,743,991.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,011,172.82 : 22,519,830.44 = 5,161,957.11 : x
  2. Step 2: Convert to fraction form
    15,011,172.82/22,519,830.44 = 5,161,957.11/x
  3. Step 3: Cross multiply
    15,011,172.82x = 22,519,830.44 × 5,161,957.11
  4. Step 4: Simplify right side
    15,011,172.82x = 116,246,398,868,657.33
  5. Step 5: Solve for x
    x = 116,246,398,868,657.33/15,011,172.82
  6. Step 6: Final answer
    x = 7,743,991.78

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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.