Home / 14,561,971.20-20,095,387.20-8,035,660.80

Finding the Fourth Proportional to 14,561,971.20, 20,095,387.20 and 8,035,660.80

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Solution

The fourth proportional to 14,561,971.20, 20,095,387.20 and 8,035,660.80 is: 11,089,138.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,561,971.20 : 20,095,387.20 = 8,035,660.80 : x
  2. Step 2: Convert to fraction form
    14,561,971.20/20,095,387.20 = 8,035,660.80/x
  3. Step 3: Cross multiply
    14,561,971.20x = 20,095,387.20 × 8,035,660.80
  4. Step 4: Simplify right side
    14,561,971.20x = 161,479,715,183,861.75
  5. Step 5: Solve for x
    x = 161,479,715,183,861.75/14,561,971.20
  6. Step 6: Final answer
    x = 11,089,138.48

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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.