Home / 28,743,532.02-39,667,013.01-15,691,486.86

Finding the Fourth Proportional to 28,743,532.02, 39,667,013.01 and 15,691,486.86

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Solution

The fourth proportional to 28,743,532.02, 39,667,013.01 and 15,691,486.86 is: 21,654,764.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,743,532.02 : 39,667,013.01 = 15,691,486.86 : x
  2. Step 2: Convert to fraction form
    28,743,532.02/39,667,013.01 = 15,691,486.86/x
  3. Step 3: Cross multiply
    28,743,532.02x = 39,667,013.01 × 15,691,486.86
  4. Step 4: Simplify right side
    28,743,532.02x = 622,434,413,421,864
  5. Step 5: Solve for x
    x = 622,434,413,421,864/28,743,532.02
  6. Step 6: Final answer
    x = 21,654,764.38

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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.