Home / 9,117,705.22-13,654,640.50-5,215,335.02

Finding the Fourth Proportional to 9,117,705.22, 13,654,640.50 and 5,215,335.02

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Solution

The fourth proportional to 9,117,705.22, 13,654,640.50 and 5,215,335.02 is: 7,810,465.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117,705.22 : 13,654,640.50 = 5,215,335.02 : x
  2. Step 2: Convert to fraction form
    9,117,705.22/13,654,640.50 = 5,215,335.02/x
  3. Step 3: Cross multiply
    9,117,705.22x = 13,654,640.50 × 5,215,335.02
  4. Step 4: Simplify right side
    9,117,705.22x = 71,213,524,785,160.30
  5. Step 5: Solve for x
    x = 71,213,524,785,160.30/9,117,705.22
  6. Step 6: Final answer
    x = 7,810,465.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.