Home / 15,443,195.92-21,312,620.08-8,917,100.48

Finding the Fourth Proportional to 15,443,195.92, 21,312,620.08 and 8,917,100.48

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Solution

The fourth proportional to 15,443,195.92, 21,312,620.08 and 8,917,100.48 is: 12,306,181.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,443,195.92 : 21,312,620.08 = 8,917,100.48 : x
  2. Step 2: Convert to fraction form
    15,443,195.92/21,312,620.08 = 8,917,100.48/x
  3. Step 3: Cross multiply
    15,443,195.92x = 21,312,620.08 × 8,917,100.48
  4. Step 4: Simplify right side
    15,443,195.92x = 190,046,774,745,425.62
  5. Step 5: Solve for x
    x = 190,046,774,745,425.62/15,443,195.92
  6. Step 6: Final answer
    x = 12,306,181.68

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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.