Home / 30,866,982.92-42,589,536.62-17,631,929.20

Finding the Fourth Proportional to 30,866,982.92, 42,589,536.62 and 17,631,929.20

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Solution

The fourth proportional to 30,866,982.92, 42,589,536.62 and 17,631,929.20 is: 24,328,120.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,866,982.92 : 42,589,536.62 = 17,631,929.20 : x
  2. Step 2: Convert to fraction form
    30,866,982.92/42,589,536.62 = 17,631,929.20/x
  3. Step 3: Cross multiply
    30,866,982.92x = 42,589,536.62 × 17,631,929.20
  4. Step 4: Simplify right side
    30,866,982.92x = 750,935,694,344,647.25
  5. Step 5: Solve for x
    x = 750,935,694,344,647.25/30,866,982.92
  6. Step 6: Final answer
    x = 24,328,120.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.