Home / 12,067,991.40-18,087,990.30-4,874,802.60

Finding the Fourth Proportional to 12,067,991.40, 18,087,990.30 and 4,874,802.60

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Solution

The fourth proportional to 12,067,991.40, 18,087,990.30 and 4,874,802.60 is: 7,306,549.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,067,991.40 : 18,087,990.30 = 4,874,802.60 : x
  2. Step 2: Convert to fraction form
    12,067,991.40/18,087,990.30 = 4,874,802.60/x
  3. Step 3: Cross multiply
    12,067,991.40x = 18,087,990.30 × 4,874,802.60
  4. Step 4: Simplify right side
    12,067,991.40x = 88,175,382,143,214.78
  5. Step 5: Solve for x
    x = 88,175,382,143,214.78/12,067,991.40
  6. Step 6: Final answer
    x = 7,306,549.97

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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.