Home / 18,456,512.10-27,684,768.15-8,869,578.90

Finding the Fourth Proportional to 18,456,512.10, 27,684,768.15 and 8,869,578.90

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Solution

The fourth proportional to 18,456,512.10, 27,684,768.15 and 8,869,578.90 is: 13,304,368.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,456,512.10 : 27,684,768.15 = 8,869,578.90 : x
  2. Step 2: Convert to fraction form
    18,456,512.10/27,684,768.15 = 8,869,578.90/x
  3. Step 3: Cross multiply
    18,456,512.10x = 27,684,768.15 × 8,869,578.90
  4. Step 4: Simplify right side
    18,456,512.10x = 245,552,235,434,632.03
  5. Step 5: Solve for x
    x = 245,552,235,434,632.03/18,456,512.10
  6. Step 6: Final answer
    x = 13,304,368.35

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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.