Home / 18,254,524.90-25,190,245.46-9,992,989.30

Finding the Fourth Proportional to 18,254,524.90, 25,190,245.46 and 9,992,989.30

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Solution

The fourth proportional to 18,254,524.90, 25,190,245.46 and 9,992,989.30 is: 13,789,778.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,254,524.90 : 25,190,245.46 = 9,992,989.30 : x
  2. Step 2: Convert to fraction form
    18,254,524.90/25,190,245.46 = 9,992,989.30/x
  3. Step 3: Cross multiply
    18,254,524.90x = 25,190,245.46 × 9,992,989.30
  4. Step 4: Simplify right side
    18,254,524.90x = 251,725,853,346,153.59
  5. Step 5: Solve for x
    x = 251,725,853,346,153.59/18,254,524.90
  6. Step 6: Final answer
    x = 13,789,778.41

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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.