Home / 23,133,734.55-31,924,010.40-12,820,236.21

Finding the Fourth Proportional to 23,133,734.55, 31,924,010.40 and 12,820,236.21

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Solution

The fourth proportional to 23,133,734.55, 31,924,010.40 and 12,820,236.21 is: 17,691,624.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,133,734.55 : 31,924,010.40 = 12,820,236.21 : x
  2. Step 2: Convert to fraction form
    23,133,734.55/31,924,010.40 = 12,820,236.21/x
  3. Step 3: Cross multiply
    23,133,734.55x = 31,924,010.40 × 12,820,236.21
  4. Step 4: Simplify right side
    23,133,734.55x = 409,273,354,098,496.56
  5. Step 5: Solve for x
    x = 409,273,354,098,496.56/23,133,734.55
  6. Step 6: Final answer
    x = 17,691,624.90

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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.