Home / 12,979,132.32-19,454,969.56-4,888,607.43

Finding the Fourth Proportional to 12,979,132.32, 19,454,969.56 and 4,888,607.43

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Solution

The fourth proportional to 12,979,132.32, 19,454,969.56 and 4,888,607.43 is: 7,327,740.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,979,132.32 : 19,454,969.56 = 4,888,607.43 : x
  2. Step 2: Convert to fraction form
    12,979,132.32/19,454,969.56 = 4,888,607.43/x
  3. Step 3: Cross multiply
    12,979,132.32x = 19,454,969.56 × 4,888,607.43
  4. Step 4: Simplify right side
    12,979,132.32x = 95,107,708,741,439.81
  5. Step 5: Solve for x
    x = 95,107,708,741,439.81/12,979,132.32
  6. Step 6: Final answer
    x = 7,327,740.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.