Home / 18,680,342.44-25,777,761.12-10,839,247.60

Finding the Fourth Proportional to 18,680,342.44, 25,777,761.12 and 10,839,247.60

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Solution

The fourth proportional to 18,680,342.44, 25,777,761.12 and 10,839,247.60 is: 14,957,516.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,680,342.44 : 25,777,761.12 = 10,839,247.60 : x
  2. Step 2: Convert to fraction form
    18,680,342.44/25,777,761.12 = 10,839,247.60/x
  3. Step 3: Cross multiply
    18,680,342.44x = 25,777,761.12 × 10,839,247.60
  4. Step 4: Simplify right side
    18,680,342.44x = 279,411,535,353,333.31
  5. Step 5: Solve for x
    x = 279,411,535,353,333.31/18,680,342.44
  6. Step 6: Final answer
    x = 14,957,516.77

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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.