Home / 12,375,645.73-18,570,111.60-5,187,906.20

Finding the Fourth Proportional to 12,375,645.73, 18,570,111.60 and 5,187,906.20

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Solution

The fourth proportional to 12,375,645.73, 18,570,111.60 and 5,187,906.20 is: 7,784,644.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,375,645.73 : 18,570,111.60 = 5,187,906.20 : x
  2. Step 2: Convert to fraction form
    12,375,645.73/18,570,111.60 = 5,187,906.20/x
  3. Step 3: Cross multiply
    12,375,645.73x = 18,570,111.60 × 5,187,906.20
  4. Step 4: Simplify right side
    12,375,645.73x = 96,339,997,104,331.94
  5. Step 5: Solve for x
    x = 96,339,997,104,331.94/12,375,645.73
  6. Step 6: Final answer
    x = 7,784,644.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.