Home / 11,754,712.80-17,632,069.20-8,320,831.20

Finding the Fourth Proportional to 11,754,712.80, 17,632,069.20 and 8,320,831.20

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Solution

The fourth proportional to 11,754,712.80, 17,632,069.20 and 8,320,831.20 is: 12,481,246.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,754,712.80 : 17,632,069.20 = 8,320,831.20 : x
  2. Step 2: Convert to fraction form
    11,754,712.80/17,632,069.20 = 8,320,831.20/x
  3. Step 3: Cross multiply
    11,754,712.80x = 17,632,069.20 × 8,320,831.20
  4. Step 4: Simplify right side
    11,754,712.80x = 146,713,471,519,919.03
  5. Step 5: Solve for x
    x = 146,713,471,519,919.03/11,754,712.80
  6. Step 6: Final answer
    x = 12,481,246.80

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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.