Home / 13,047,449.90-18,003,318.82-7,541,338.42

Finding the Fourth Proportional to 13,047,449.90, 18,003,318.82 and 7,541,338.42

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Solution

The fourth proportional to 13,047,449.90, 18,003,318.82 and 7,541,338.42 is: 10,405,797.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,047,449.90 : 18,003,318.82 = 7,541,338.42 : x
  2. Step 2: Convert to fraction form
    13,047,449.90/18,003,318.82 = 7,541,338.42/x
  3. Step 3: Cross multiply
    13,047,449.90x = 18,003,318.82 × 7,541,338.42
  4. Step 4: Simplify right side
    13,047,449.90x = 135,769,119,777,051.78
  5. Step 5: Solve for x
    x = 135,769,119,777,051.78/13,047,449.90
  6. Step 6: Final answer
    x = 10,405,797.36

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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.