Home / 12,002,061.20-17,984,906.28-7,944,010.81

Finding the Fourth Proportional to 12,002,061.20, 17,984,906.28 and 7,944,010.81

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Solution

The fourth proportional to 12,002,061.20, 17,984,906.28 and 7,944,010.81 is: 11,903,979.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,002,061.20 : 17,984,906.28 = 7,944,010.81 : x
  2. Step 2: Convert to fraction form
    12,002,061.20/17,984,906.28 = 7,944,010.81/x
  3. Step 3: Cross multiply
    12,002,061.20x = 17,984,906.28 × 7,944,010.81
  4. Step 4: Simplify right side
    12,002,061.20x = 142,872,289,860,194.62
  5. Step 5: Solve for x
    x = 142,872,289,860,194.62/12,002,061.20
  6. Step 6: Final answer
    x = 11,903,979.45

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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.