Home / 7,770,899.80-11,656,349.70-5,881,331.80

Finding the Fourth Proportional to 7,770,899.80, 11,656,349.70 and 5,881,331.80

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Solution

The fourth proportional to 7,770,899.80, 11,656,349.70 and 5,881,331.80 is: 8,821,997.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,770,899.80 : 11,656,349.70 = 5,881,331.80 : x
  2. Step 2: Convert to fraction form
    7,770,899.80/11,656,349.70 = 5,881,331.80/x
  3. Step 3: Cross multiply
    7,770,899.80x = 11,656,349.70 × 5,881,331.80
  4. Step 4: Simplify right side
    7,770,899.80x = 68,554,860,162,530.45
  5. Step 5: Solve for x
    x = 68,554,860,162,530.45/7,770,899.80
  6. Step 6: Final answer
    x = 8,821,997.70

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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.