Home / 18,254,240.48-25,189,853.87-9,992,704.53

Finding the Fourth Proportional to 18,254,240.48, 25,189,853.87 and 9,992,704.53

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Solution

The fourth proportional to 18,254,240.48, 25,189,853.87 and 9,992,704.53 is: 13,789,385.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,254,240.48 : 25,189,853.87 = 9,992,704.53 : x
  2. Step 2: Convert to fraction form
    18,254,240.48/25,189,853.87 = 9,992,704.53/x
  3. Step 3: Cross multiply
    18,254,240.48x = 25,189,853.87 × 9,992,704.53
  4. Step 4: Simplify right side
    18,254,240.48x = 251,714,766,876,787.03
  5. Step 5: Solve for x
    x = 251,714,766,876,787.03/18,254,240.48
  6. Step 6: Final answer
    x = 13,789,385.93

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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.