Home / 15,015,967.84-20,722,198.66-8,821,275.76

Finding the Fourth Proportional to 15,015,967.84, 20,722,198.66 and 8,821,275.76

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Solution

The fourth proportional to 15,015,967.84, 20,722,198.66 and 8,821,275.76 is: 12,173,456.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,015,967.84 : 20,722,198.66 = 8,821,275.76 : x
  2. Step 2: Convert to fraction form
    15,015,967.84/20,722,198.66 = 8,821,275.76/x
  3. Step 3: Cross multiply
    15,015,967.84x = 20,722,198.66 × 8,821,275.76
  4. Step 4: Simplify right side
    15,015,967.84x = 182,796,228,670,269.38
  5. Step 5: Solve for x
    x = 182,796,228,670,269.38/15,015,967.84
  6. Step 6: Final answer
    x = 12,173,456.33

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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.