Home / 20,460,653.38-28,231,486.67-11,757,144.48

Finding the Fourth Proportional to 20,460,653.38, 28,231,486.67 and 11,757,144.48

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Solution

The fourth proportional to 20,460,653.38, 28,231,486.67 and 11,757,144.48 is: 16,222,437.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,460,653.38 : 28,231,486.67 = 11,757,144.48 : x
  2. Step 2: Convert to fraction form
    20,460,653.38/28,231,486.67 = 11,757,144.48/x
  3. Step 3: Cross multiply
    20,460,653.38x = 28,231,486.67 × 11,757,144.48
  4. Step 4: Simplify right side
    20,460,653.38x = 331,921,667,680,577.06
  5. Step 5: Solve for x
    x = 331,921,667,680,577.06/20,460,653.38
  6. Step 6: Final answer
    x = 16,222,437.35

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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.