Home / 12,231,164.97-16,865,140.23-7,815,056.26

Finding the Fourth Proportional to 12,231,164.97, 16,865,140.23 and 7,815,056.26

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Solution

The fourth proportional to 12,231,164.97, 16,865,140.23 and 7,815,056.26 is: 10,775,917.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,231,164.97 : 16,865,140.23 = 7,815,056.26 : x
  2. Step 2: Convert to fraction form
    12,231,164.97/16,865,140.23 = 7,815,056.26/x
  3. Step 3: Cross multiply
    12,231,164.97x = 16,865,140.23 × 7,815,056.26
  4. Step 4: Simplify right side
    12,231,164.97x = 131,802,019,730,239.34
  5. Step 5: Solve for x
    x = 131,802,019,730,239.34/12,231,164.97
  6. Step 6: Final answer
    x = 10,775,917.10

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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.