Home / 23,131,375.48-31,921,487.04-12,818,270.80

Finding the Fourth Proportional to 23,131,375.48, 31,921,487.04 and 12,818,270.80

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Solution

The fourth proportional to 23,131,375.48, 31,921,487.04 and 12,818,270.80 is: 17,689,318.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,131,375.48 : 31,921,487.04 = 12,818,270.80 : x
  2. Step 2: Convert to fraction form
    23,131,375.48/31,921,487.04 = 12,818,270.80/x
  3. Step 3: Cross multiply
    23,131,375.48x = 31,921,487.04 × 12,818,270.80
  4. Step 4: Simplify right side
    23,131,375.48x = 409,178,265,217,410.44
  5. Step 5: Solve for x
    x = 409,178,265,217,410.44/23,131,375.48
  6. Step 6: Final answer
    x = 17,689,318.37

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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.