Home / 18,397,221.57-25,389,280.53-10,137,273.85

Finding the Fourth Proportional to 18,397,221.57, 25,389,280.53 and 10,137,273.85

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Solution

The fourth proportional to 18,397,221.57, 25,389,280.53 and 10,137,273.85 is: 13,990,052.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,397,221.57 : 25,389,280.53 = 10,137,273.85 : x
  2. Step 2: Convert to fraction form
    18,397,221.57/25,389,280.53 = 10,137,273.85/x
  3. Step 3: Cross multiply
    18,397,221.57x = 25,389,280.53 × 10,137,273.85
  4. Step 4: Simplify right side
    18,397,221.57x = 257,378,089,718,720.41
  5. Step 5: Solve for x
    x = 257,378,089,718,720.41/18,397,221.57
  6. Step 6: Final answer
    x = 13,990,052.18

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1.5x scale

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.