Home / 13,729,278.46-20,472,617.96-13,606,050.58

Finding the Fourth Proportional to 13,729,278.46, 20,472,617.96 and 13,606,050.58

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Solution

The fourth proportional to 13,729,278.46, 20,472,617.96 and 13,606,050.58 is: 20,288,864.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,729,278.46 : 20,472,617.96 = 13,606,050.58 : x
  2. Step 2: Convert to fraction form
    13,729,278.46/20,472,617.96 = 13,606,050.58/x
  3. Step 3: Cross multiply
    13,729,278.46x = 20,472,617.96 × 13,606,050.58
  4. Step 4: Simplify right side
    13,729,278.46x = 278,551,475,410,255.31
  5. Step 5: Solve for x
    x = 278,551,475,410,255.31/13,729,278.46
  6. Step 6: Final answer
    x = 20,288,864.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.