Home / 13,141,079.96-18,124,691.80-11,308,621.80

Finding the Fourth Proportional to 13,141,079.96, 18,124,691.80 and 11,308,621.80

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Solution

The fourth proportional to 13,141,079.96, 18,124,691.80 and 11,308,621.80 is: 15,597,293.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,141,079.96 : 18,124,691.80 = 11,308,621.80 : x
  2. Step 2: Convert to fraction form
    13,141,079.96/18,124,691.80 = 11,308,621.80/x
  3. Step 3: Cross multiply
    13,141,079.96x = 18,124,691.80 × 11,308,621.80
  4. Step 4: Simplify right side
    13,141,079.96x = 204,965,284,807,761.25
  5. Step 5: Solve for x
    x = 204,965,284,807,761.25/13,141,079.96
  6. Step 6: Final answer
    x = 15,597,293.79

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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.