Home / 11,678,103.66-17,517,091.78-4,761,555.92

Finding the Fourth Proportional to 11,678,103.66, 17,517,091.78 and 4,761,555.92

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Solution

The fourth proportional to 11,678,103.66, 17,517,091.78 and 4,761,555.92 is: 7,142,307.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,678,103.66 : 17,517,091.78 = 4,761,555.92 : x
  2. Step 2: Convert to fraction form
    11,678,103.66/17,517,091.78 = 4,761,555.92/x
  3. Step 3: Cross multiply
    11,678,103.66x = 17,517,091.78 × 4,761,555.92
  4. Step 4: Simplify right side
    11,678,103.66x = 83,408,612,066,242.34
  5. Step 5: Solve for x
    x = 83,408,612,066,242.34/11,678,103.66
  6. Step 6: Final answer
    x = 7,142,307.90

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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.