Home / 18,338,314.48-25,305,842.70-10,992,471.46

Finding the Fourth Proportional to 18,338,314.48, 25,305,842.70 and 10,992,471.46

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Solution

The fourth proportional to 18,338,314.48, 25,305,842.70 and 10,992,471.46 is: 15,168,992.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338,314.48 : 25,305,842.70 = 10,992,471.46 : x
  2. Step 2: Convert to fraction form
    18,338,314.48/25,305,842.70 = 10,992,471.46/x
  3. Step 3: Cross multiply
    18,338,314.48x = 25,305,842.70 × 10,992,471.46
  4. Step 4: Simplify right side
    18,338,314.48x = 278,173,753,650,999.34
  5. Step 5: Solve for x
    x = 278,173,753,650,999.34/18,338,314.48
  6. Step 6: Final answer
    x = 15,168,992.44

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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.