Home / 14,990,778.16-20,687,280.54-8,115,260

Finding the Fourth Proportional to 14,990,778.16, 20,687,280.54 and 8,115,260

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Solution

The fourth proportional to 14,990,778.16, 20,687,280.54 and 8,115,260 is: 11,199,062.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,990,778.16 : 20,687,280.54 = 8,115,260 : x
  2. Step 2: Convert to fraction form
    14,990,778.16/20,687,280.54 = 8,115,260/x
  3. Step 3: Cross multiply
    14,990,778.16x = 20,687,280.54 × 8,115,260
  4. Step 4: Simplify right side
    14,990,778.16x = 167,882,660,275,040.41
  5. Step 5: Solve for x
    x = 167,882,660,275,040.41/14,990,778.16
  6. Step 6: Final answer
    x = 11,199,062.42

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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.