Home / 8,257,705.80-11,399,775.91-5,161,951.20

Finding the Fourth Proportional to 8,257,705.80, 11,399,775.91 and 5,161,951.20

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Solution

The fourth proportional to 8,257,705.80, 11,399,775.91 and 5,161,951.20 is: 7,126,081.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257,705.80 : 11,399,775.91 = 5,161,951.20 : x
  2. Step 2: Convert to fraction form
    8,257,705.80/11,399,775.91 = 5,161,951.20/x
  3. Step 3: Cross multiply
    8,257,705.80x = 11,399,775.91 × 5,161,951.20
  4. Step 4: Simplify right side
    8,257,705.80x = 58,845,086,968,199.88
  5. Step 5: Solve for x
    x = 58,845,086,968,199.88/8,257,705.80
  6. Step 6: Final answer
    x = 7,126,081.80

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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.