Home / 9,538,454.40-13,162,939.86-5,187,447.06

Finding the Fourth Proportional to 9,538,454.40, 13,162,939.86 and 5,187,447.06

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Solution

The fourth proportional to 9,538,454.40, 13,162,939.86 and 5,187,447.06 is: 7,158,607.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,538,454.40 : 13,162,939.86 = 5,187,447.06 : x
  2. Step 2: Convert to fraction form
    9,538,454.40/13,162,939.86 = 5,187,447.06/x
  3. Step 3: Cross multiply
    9,538,454.40x = 13,162,939.86 × 5,187,447.06
  4. Step 4: Simplify right side
    9,538,454.40x = 68,282,053,677,713.80
  5. Step 5: Solve for x
    x = 68,282,053,677,713.80/9,538,454.40
  6. Step 6: Final answer
    x = 7,158,607.76

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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.