Home / 12,619,614.60-18,935,326.80-6,561,187.20

Finding the Fourth Proportional to 12,619,614.60, 18,935,326.80 and 6,561,187.20

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Solution

The fourth proportional to 12,619,614.60, 18,935,326.80 and 6,561,187.20 is: 9,844,850.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,619,614.60 : 18,935,326.80 = 6,561,187.20 : x
  2. Step 2: Convert to fraction form
    12,619,614.60/18,935,326.80 = 6,561,187.20/x
  3. Step 3: Cross multiply
    12,619,614.60x = 18,935,326.80 × 6,561,187.20
  4. Step 4: Simplify right side
    12,619,614.60x = 124,238,223,827,976.97
  5. Step 5: Solve for x
    x = 124,238,223,827,976.97/12,619,614.60
  6. Step 6: Final answer
    x = 9,844,850.87

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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.