Home / 10,215,140.30-15,327,224.04-5,356,286.36

Finding the Fourth Proportional to 10,215,140.30, 15,327,224.04 and 5,356,286.36

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Solution

The fourth proportional to 10,215,140.30, 15,327,224.04 and 5,356,286.36 is: 8,036,796.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,215,140.30 : 15,327,224.04 = 5,356,286.36 : x
  2. Step 2: Convert to fraction form
    10,215,140.30/15,327,224.04 = 5,356,286.36/x
  3. Step 3: Cross multiply
    10,215,140.30x = 15,327,224.04 × 5,356,286.36
  4. Step 4: Simplify right side
    10,215,140.30x = 82,097,001,062,116.09
  5. Step 5: Solve for x
    x = 82,097,001,062,116.09/10,215,140.30
  6. Step 6: Final answer
    x = 8,036,796.23

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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.