Home / 15,822,832.92-21,835,938.78-8,948,343

Finding the Fourth Proportional to 15,822,832.92, 21,835,938.78 and 8,948,343

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Solution

The fourth proportional to 15,822,832.92, 21,835,938.78 and 8,948,343 is: 12,348,956.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,822,832.92 : 21,835,938.78 = 8,948,343 : x
  2. Step 2: Convert to fraction form
    15,822,832.92/21,835,938.78 = 8,948,343/x
  3. Step 3: Cross multiply
    15,822,832.92x = 21,835,938.78 × 8,948,343
  4. Step 4: Simplify right side
    15,822,832.92x = 195,395,469,930,441.56
  5. Step 5: Solve for x
    x = 195,395,469,930,441.56/15,822,832.92
  6. Step 6: Final answer
    x = 12,348,956.15

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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.