Home / 18,397,221.20-25,389,280.02-10,137,273.48

Finding the Fourth Proportional to 18,397,221.20, 25,389,280.02 and 10,137,273.48

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Solution

The fourth proportional to 18,397,221.20, 25,389,280.02 and 10,137,273.48 is: 13,990,051.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,397,221.20 : 25,389,280.02 = 10,137,273.48 : x
  2. Step 2: Convert to fraction form
    18,397,221.20/25,389,280.02 = 10,137,273.48/x
  3. Step 3: Cross multiply
    18,397,221.20x = 25,389,280.02 × 10,137,273.48
  4. Step 4: Simplify right side
    18,397,221.20x = 257,378,074,972,353.53
  5. Step 5: Solve for x
    x = 257,378,074,972,353.53/18,397,221.20
  6. Step 6: Final answer
    x = 13,990,051.66

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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.