Home / 13,067,921.28-18,052,172.43-10,471,672.08

Finding the Fourth Proportional to 13,067,921.28, 18,052,172.43 and 10,471,672.08

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Solution

The fourth proportional to 13,067,921.28, 18,052,172.43 and 10,471,672.08 is: 14,465,684.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,067,921.28 : 18,052,172.43 = 10,471,672.08 : x
  2. Step 2: Convert to fraction form
    13,067,921.28/18,052,172.43 = 10,471,672.08/x
  3. Step 3: Cross multiply
    13,067,921.28x = 18,052,172.43 × 10,471,672.08
  4. Step 4: Simplify right side
    13,067,921.28x = 189,036,430,018,576.75
  5. Step 5: Solve for x
    x = 189,036,430,018,576.75/13,067,921.28
  6. Step 6: Final answer
    x = 14,465,684.78

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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.