Home / 13,757,990.96-20,639,921.40-4,659,769.52

Finding the Fourth Proportional to 13,757,990.96, 20,639,921.40 and 4,659,769.52

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Solution

The fourth proportional to 13,757,990.96, 20,639,921.40 and 4,659,769.52 is: 6,990,648.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,757,990.96 : 20,639,921.40 = 4,659,769.52 : x
  2. Step 2: Convert to fraction form
    13,757,990.96/20,639,921.40 = 4,659,769.52/x
  3. Step 3: Cross multiply
    13,757,990.96x = 20,639,921.40 × 4,659,769.52
  4. Step 4: Simplify right side
    13,757,990.96x = 96,177,276,634,915.72
  5. Step 5: Solve for x
    x = 96,177,276,634,915.72/13,757,990.96
  6. Step 6: Final answer
    x = 6,990,648.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.