Home / 7,979,770.60-11,971,211.10-3,430,810.60

Finding the Fourth Proportional to 7,979,770.60, 11,971,211.10 and 3,430,810.60

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Solution

The fourth proportional to 7,979,770.60, 11,971,211.10 and 3,430,810.60 is: 5,146,884.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979,770.60 : 11,971,211.10 = 3,430,810.60 : x
  2. Step 2: Convert to fraction form
    7,979,770.60/11,971,211.10 = 3,430,810.60/x
  3. Step 3: Cross multiply
    7,979,770.60x = 11,971,211.10 × 3,430,810.60
  4. Step 4: Simplify right side
    7,979,770.60x = 41,070,957,936,717.66
  5. Step 5: Solve for x
    x = 41,070,957,936,717.66/7,979,770.60
  6. Step 6: Final answer
    x = 5,146,884.54

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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.