Home / 11,538,326.12-15,923,371.48-6,643,426.46

Finding the Fourth Proportional to 11,538,326.12, 15,923,371.48 and 6,643,426.46

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Solution

The fourth proportional to 11,538,326.12, 15,923,371.48 and 6,643,426.46 is: 9,168,205.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,538,326.12 : 15,923,371.48 = 6,643,426.46 : x
  2. Step 2: Convert to fraction form
    11,538,326.12/15,923,371.48 = 6,643,426.46/x
  3. Step 3: Cross multiply
    11,538,326.12x = 15,923,371.48 × 6,643,426.46
  4. Step 4: Simplify right side
    11,538,326.12x = 105,785,747,422,641.36
  5. Step 5: Solve for x
    x = 105,785,747,422,641.36/11,538,326.12
  6. Step 6: Final answer
    x = 9,168,205.71

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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.