Home / 28,471,625.31-42,775,570.16-18,256,498.84

Finding the Fourth Proportional to 28,471,625.31, 42,775,570.16 and 18,256,498.84

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Solution

The fourth proportional to 28,471,625.31, 42,775,570.16 and 18,256,498.84 is: 27,428,435.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,471,625.31 : 42,775,570.16 = 18,256,498.84 : x
  2. Step 2: Convert to fraction form
    28,471,625.31/42,775,570.16 = 18,256,498.84/x
  3. Step 3: Cross multiply
    28,471,625.31x = 42,775,570.16 × 18,256,498.84
  4. Step 4: Simplify right side
    28,471,625.31x = 780,932,147,037,027.38
  5. Step 5: Solve for x
    x = 780,932,147,037,027.38/28,471,625.31
  6. Step 6: Final answer
    x = 27,428,435.80

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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.