Home / 18,641,187.20-27,925,957.56-11,431,697.96

Finding the Fourth Proportional to 18,641,187.20, 27,925,957.56 and 11,431,697.96

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Solution

The fourth proportional to 18,641,187.20, 27,925,957.56 and 11,431,697.96 is: 17,125,578.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,641,187.20 : 27,925,957.56 = 11,431,697.96 : x
  2. Step 2: Convert to fraction form
    18,641,187.20/27,925,957.56 = 11,431,697.96/x
  3. Step 3: Cross multiply
    18,641,187.20x = 27,925,957.56 × 11,431,697.96
  4. Step 4: Simplify right side
    18,641,187.20x = 319,241,112,069,698.56
  5. Step 5: Solve for x
    x = 319,241,112,069,698.56/18,641,187.20
  6. Step 6: Final answer
    x = 17,125,578.36

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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.