Home / 7,777,608.43-10,738,155.36-6,960,407.19

Finding the Fourth Proportional to 7,777,608.43, 10,738,155.36 and 6,960,407.19

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Solution

The fourth proportional to 7,777,608.43, 10,738,155.36 and 6,960,407.19 is: 9,609,886.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777,608.43 : 10,738,155.36 = 6,960,407.19 : x
  2. Step 2: Convert to fraction form
    7,777,608.43/10,738,155.36 = 6,960,407.19/x
  3. Step 3: Cross multiply
    7,777,608.43x = 10,738,155.36 × 6,960,407.19
  4. Step 4: Simplify right side
    7,777,608.43x = 74,741,933,775,081.03
  5. Step 5: Solve for x
    x = 74,741,933,775,081.03/7,777,608.43
  6. Step 6: Final answer
    x = 9,609,886.44

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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.