Home / 12,080,315.13-18,120,510.02-2,982,413.76

Finding the Fourth Proportional to 12,080,315.13, 18,120,510.02 and 2,982,413.76

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Solution

The fourth proportional to 12,080,315.13, 18,120,510.02 and 2,982,413.76 is: 4,473,629.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,080,315.13 : 18,120,510.02 = 2,982,413.76 : x
  2. Step 2: Convert to fraction form
    12,080,315.13/18,120,510.02 = 2,982,413.76/x
  3. Step 3: Cross multiply
    12,080,315.13x = 18,120,510.02 × 2,982,413.76
  4. Step 4: Simplify right side
    12,080,315.13x = 54,042,858,344,593.91
  5. Step 5: Solve for x
    x = 54,042,858,344,593.91/12,080,315.13
  6. Step 6: Final answer
    x = 4,473,629.85

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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.