Home / 15,412,876.92-21,270,470.40-8,537,358.24

Finding the Fourth Proportional to 15,412,876.92, 21,270,470.40 and 8,537,358.24

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Solution

The fourth proportional to 15,412,876.92, 21,270,470.40 and 8,537,358.24 is: 11,781,942.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,412,876.92 : 21,270,470.40 = 8,537,358.24 : x
  2. Step 2: Convert to fraction form
    15,412,876.92/21,270,470.40 = 8,537,358.24/x
  3. Step 3: Cross multiply
    15,412,876.92x = 21,270,470.40 × 8,537,358.24
  4. Step 4: Simplify right side
    15,412,876.92x = 181,593,625,738,116.09
  5. Step 5: Solve for x
    x = 181,593,625,738,116.09/15,412,876.92
  6. Step 6: Final answer
    x = 11,781,942.25

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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.