Home / 11,814,661.12-16,309,675.20-6,919,202.56

Finding the Fourth Proportional to 11,814,661.12, 16,309,675.20 and 6,919,202.56

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Solution

The fourth proportional to 11,814,661.12, 16,309,675.20 and 6,919,202.56 is: 9,551,687.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,814,661.12 : 16,309,675.20 = 6,919,202.56 : x
  2. Step 2: Convert to fraction form
    11,814,661.12/16,309,675.20 = 6,919,202.56/x
  3. Step 3: Cross multiply
    11,814,661.12x = 16,309,675.20 × 6,919,202.56
  4. Step 4: Simplify right side
    11,814,661.12x = 112,849,946,396,608.50
  5. Step 5: Solve for x
    x = 112,849,946,396,608.50/11,814,661.12
  6. Step 6: Final answer
    x = 9,551,687.12

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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.