Home / 7,980,608.10-11,970,912.15-4,613,081.70

Finding the Fourth Proportional to 7,980,608.10, 11,970,912.15 and 4,613,081.70

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Solution

The fourth proportional to 7,980,608.10, 11,970,912.15 and 4,613,081.70 is: 6,919,622.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,980,608.10 : 11,970,912.15 = 4,613,081.70 : x
  2. Step 2: Convert to fraction form
    7,980,608.10/11,970,912.15 = 4,613,081.70/x
  3. Step 3: Cross multiply
    7,980,608.10x = 11,970,912.15 × 4,613,081.70
  4. Step 4: Simplify right side
    7,980,608.10x = 55,222,795,771,472.66
  5. Step 5: Solve for x
    x = 55,222,795,771,472.66/7,980,608.10
  6. Step 6: Final answer
    x = 6,919,622.55

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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.