Home / 8,187,116.80-12,284,816.16-5,456,527.36

Finding the Fourth Proportional to 8,187,116.80, 12,284,816.16 and 5,456,527.36

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Solution

The fourth proportional to 8,187,116.80, 12,284,816.16 and 5,456,527.36 is: 8,187,550.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,187,116.80 : 12,284,816.16 = 5,456,527.36 : x
  2. Step 2: Convert to fraction form
    8,187,116.80/12,284,816.16 = 5,456,527.36/x
  3. Step 3: Cross multiply
    8,187,116.80x = 12,284,816.16 × 5,456,527.36
  4. Step 4: Simplify right side
    8,187,116.80x = 67,032,435,489,610.14
  5. Step 5: Solve for x
    x = 67,032,435,489,610.14/8,187,116.80
  6. Step 6: Final answer
    x = 8,187,550.90

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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.