Home / 15,280,195.92-21,086,225.76-8,404,676.16

Finding the Fourth Proportional to 15,280,195.92, 21,086,225.76 and 8,404,676.16

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Solution

The fourth proportional to 15,280,195.92, 21,086,225.76 and 8,404,676.16 is: 11,598,208.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,280,195.92 : 21,086,225.76 = 8,404,676.16 : x
  2. Step 2: Convert to fraction form
    15,280,195.92/21,086,225.76 = 8,404,676.16/x
  3. Step 3: Cross multiply
    15,280,195.92x = 21,086,225.76 × 8,404,676.16
  4. Step 4: Simplify right side
    15,280,195.92x = 177,222,898,949,449.91
  5. Step 5: Solve for x
    x = 177,222,898,949,449.91/15,280,195.92
  6. Step 6: Final answer
    x = 11,598,208.55

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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.