Home / 19,541,620.92-29,312,680.85-5,164,564.50

Finding the Fourth Proportional to 19,541,620.92, 29,312,680.85 and 5,164,564.50

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Solution

The fourth proportional to 19,541,620.92, 29,312,680.85 and 5,164,564.50 is: 7,746,912.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,541,620.92 : 29,312,680.85 = 5,164,564.50 : x
  2. Step 2: Convert to fraction form
    19,541,620.92/29,312,680.85 = 5,164,564.50/x
  3. Step 3: Cross multiply
    19,541,620.92x = 29,312,680.85 × 5,164,564.50
  4. Step 4: Simplify right side
    19,541,620.92x = 151,387,230,891,917
  5. Step 5: Solve for x
    x = 151,387,230,891,917/19,541,620.92
  6. Step 6: Final answer
    x = 7,746,912.68

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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.