Home / 13,067,921.53-18,052,172.78-10,471,672.33

Finding the Fourth Proportional to 13,067,921.53, 18,052,172.78 and 10,471,672.33

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Solution

The fourth proportional to 13,067,921.53, 18,052,172.78 and 10,471,672.33 is: 14,465,685.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,067,921.53 : 18,052,172.78 = 10,471,672.33 : x
  2. Step 2: Convert to fraction form
    13,067,921.53/18,052,172.78 = 10,471,672.33/x
  3. Step 3: Cross multiply
    13,067,921.53x = 18,052,172.78 × 10,471,672.33
  4. Step 4: Simplify right side
    13,067,921.53x = 189,036,438,144,346.81
  5. Step 5: Solve for x
    x = 189,036,438,144,346.81/13,067,921.53
  6. Step 6: Final answer
    x = 14,465,685.13

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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.