Home / 14,990,703.82-20,687,166.93-8,115,180.82

Finding the Fourth Proportional to 14,990,703.82, 20,687,166.93 and 8,115,180.82

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Solution

The fourth proportional to 14,990,703.82, 20,687,166.93 and 8,115,180.82 is: 11,198,947.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,990,703.82 : 20,687,166.93 = 8,115,180.82 : x
  2. Step 2: Convert to fraction form
    14,990,703.82/20,687,166.93 = 8,115,180.82/x
  3. Step 3: Cross multiply
    14,990,703.82x = 20,687,166.93 × 8,115,180.82
  4. Step 4: Simplify right side
    14,990,703.82x = 167,880,100,290,474.28
  5. Step 5: Solve for x
    x = 167,880,100,290,474.28/14,990,703.82
  6. Step 6: Final answer
    x = 11,198,947.18

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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.