Home / 22,782,981.96-31,440,515.16-12,469,705.08

Finding the Fourth Proportional to 22,782,981.96, 31,440,515.16 and 12,469,705.08

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Solution

The fourth proportional to 22,782,981.96, 31,440,515.16 and 12,469,705.08 is: 17,208,193.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,782,981.96 : 31,440,515.16 = 12,469,705.08 : x
  2. Step 2: Convert to fraction form
    22,782,981.96/31,440,515.16 = 12,469,705.08/x
  3. Step 3: Cross multiply
    22,782,981.96x = 31,440,515.16 × 12,469,705.08
  4. Step 4: Simplify right side
    22,782,981.96x = 392,053,951,608,469
  5. Step 5: Solve for x
    x = 392,053,951,608,469/22,782,981.96
  6. Step 6: Final answer
    x = 17,208,193.04

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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.