Home / 10,922,708.25-15,079,003.47-7,979,220.72

Finding the Fourth Proportional to 10,922,708.25, 15,079,003.47 and 7,979,220.72

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Solution

The fourth proportional to 10,922,708.25, 15,079,003.47 and 7,979,220.72 is: 11,015,463.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,922,708.25 : 15,079,003.47 = 7,979,220.72 : x
  2. Step 2: Convert to fraction form
    10,922,708.25/15,079,003.47 = 7,979,220.72/x
  3. Step 3: Cross multiply
    10,922,708.25x = 15,079,003.47 × 7,979,220.72
  4. Step 4: Simplify right side
    10,922,708.25x = 120,318,696,924,775.91
  5. Step 5: Solve for x
    x = 120,318,696,924,775.91/10,922,708.25
  6. Step 6: Final answer
    x = 11,015,463.76

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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.