Home / 8,102,192.40-12,140,864.25-5,505,189.66

Finding the Fourth Proportional to 8,102,192.40, 12,140,864.25 and 5,505,189.66

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Solution

The fourth proportional to 8,102,192.40, 12,140,864.25 and 5,505,189.66 is: 8,249,342.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,102,192.40 : 12,140,864.25 = 5,505,189.66 : x
  2. Step 2: Convert to fraction form
    8,102,192.40/12,140,864.25 = 5,505,189.66/x
  3. Step 3: Cross multiply
    8,102,192.40x = 12,140,864.25 × 5,505,189.66
  4. Step 4: Simplify right side
    8,102,192.40x = 66,837,760,332,563.66
  5. Step 5: Solve for x
    x = 66,837,760,332,563.66/8,102,192.40
  6. Step 6: Final answer
    x = 8,249,342.53

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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.