Home / 13,614,179.31-18,787,570.62-7,419,227.76

Finding the Fourth Proportional to 13,614,179.31, 18,787,570.62 and 7,419,227.76

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Solution

The fourth proportional to 13,614,179.31, 18,787,570.62 and 7,419,227.76 is: 10,238,536.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614,179.31 : 18,787,570.62 = 7,419,227.76 : x
  2. Step 2: Convert to fraction form
    13,614,179.31/18,787,570.62 = 7,419,227.76/x
  3. Step 3: Cross multiply
    13,614,179.31x = 18,787,570.62 × 7,419,227.76
  4. Step 4: Simplify right side
    13,614,179.31x = 139,389,265,486,864.42
  5. Step 5: Solve for x
    x = 139,389,265,486,864.42/13,614,179.31
  6. Step 6: Final answer
    x = 10,238,536.04

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1.5x scale

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.