Home / 18,979,287.14-28,456,967.82-16,101,661.70

Finding the Fourth Proportional to 18,979,287.14, 28,456,967.82 and 16,101,661.70

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Solution

The fourth proportional to 18,979,287.14, 28,456,967.82 and 16,101,661.70 is: 24,142,343.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,979,287.14 : 28,456,967.82 = 16,101,661.70 : x
  2. Step 2: Convert to fraction form
    18,979,287.14/28,456,967.82 = 16,101,661.70/x
  3. Step 3: Cross multiply
    18,979,287.14x = 28,456,967.82 × 16,101,661.70
  4. Step 4: Simplify right side
    18,979,287.14x = 458,204,468,845,426.50
  5. Step 5: Solve for x
    x = 458,204,468,845,426.50/18,979,287.14
  6. Step 6: Final answer
    x = 24,142,343.46

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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.