Home / 14,990,705.82-20,687,169.69-8,115,182.82

Finding the Fourth Proportional to 14,990,705.82, 20,687,169.69 and 8,115,182.82

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Solution

The fourth proportional to 14,990,705.82, 20,687,169.69 and 8,115,182.82 is: 11,198,949.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,990,705.82 : 20,687,169.69 = 8,115,182.82 : x
  2. Step 2: Convert to fraction form
    14,990,705.82/20,687,169.69 = 8,115,182.82/x
  3. Step 3: Cross multiply
    14,990,705.82x = 20,687,169.69 × 8,115,182.82
  4. Step 4: Simplify right side
    14,990,705.82x = 167,880,164,062,712.75
  5. Step 5: Solve for x
    x = 167,880,164,062,712.75/14,990,705.82
  6. Step 6: Final answer
    x = 11,198,949.94

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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.