Home / 10,961,630.88-15,128,463.96-6,613,065.78

Finding the Fourth Proportional to 10,961,630.88, 15,128,463.96 and 6,613,065.78

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Solution

The fourth proportional to 10,961,630.88, 15,128,463.96 and 6,613,065.78 is: 9,126,883.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961,630.88 : 15,128,463.96 = 6,613,065.78 : x
  2. Step 2: Convert to fraction form
    10,961,630.88/15,128,463.96 = 6,613,065.78/x
  3. Step 3: Cross multiply
    10,961,630.88x = 15,128,463.96 × 6,613,065.78
  4. Step 4: Simplify right side
    10,961,630.88x = 100,045,527,317,839.30
  5. Step 5: Solve for x
    x = 100,045,527,317,839.30/10,961,630.88
  6. Step 6: Final answer
    x = 9,126,883.44

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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.