Home / 15,148,912.86-20,906,015.58-8,959,265.46

Finding the Fourth Proportional to 15,148,912.86, 20,906,015.58 and 8,959,265.46

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Solution

The fourth proportional to 15,148,912.86, 20,906,015.58 and 8,959,265.46 is: 12,364,091.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,148,912.86 : 20,906,015.58 = 8,959,265.46 : x
  2. Step 2: Convert to fraction form
    15,148,912.86/20,906,015.58 = 8,959,265.46/x
  3. Step 3: Cross multiply
    15,148,912.86x = 20,906,015.58 × 8,959,265.46
  4. Step 4: Simplify right side
    15,148,912.86x = 187,302,543,292,115.88
  5. Step 5: Solve for x
    x = 187,302,543,292,115.88/15,148,912.86
  6. Step 6: Final answer
    x = 12,364,091.41

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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.