Home / 11,742,191.20-17,613,286.80-8,540,552.80

Finding the Fourth Proportional to 11,742,191.20, 17,613,286.80 and 8,540,552.80

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Solution

The fourth proportional to 11,742,191.20, 17,613,286.80 and 8,540,552.80 is: 12,810,829.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,742,191.20 : 17,613,286.80 = 8,540,552.80 : x
  2. Step 2: Convert to fraction form
    11,742,191.20/17,613,286.80 = 8,540,552.80/x
  3. Step 3: Cross multiply
    11,742,191.20x = 17,613,286.80 × 8,540,552.80
  4. Step 4: Simplify right side
    11,742,191.20x = 150,427,205,896,943.06
  5. Step 5: Solve for x
    x = 150,427,205,896,943.06/11,742,191.20
  6. Step 6: Final answer
    x = 12,810,829.20

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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.