Home / 28,743,533.02-39,667,014.39-15,691,487.86

Finding the Fourth Proportional to 28,743,533.02, 39,667,014.39 and 15,691,487.86

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Solution

The fourth proportional to 28,743,533.02, 39,667,014.39 and 15,691,487.86 is: 21,654,765.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,743,533.02 : 39,667,014.39 = 15,691,487.86 : x
  2. Step 2: Convert to fraction form
    28,743,533.02/39,667,014.39 = 15,691,487.86/x
  3. Step 3: Cross multiply
    28,743,533.02x = 39,667,014.39 × 15,691,487.86
  4. Step 4: Simplify right side
    28,743,533.02x = 622,434,474,743,130.25
  5. Step 5: Solve for x
    x = 622,434,474,743,130.25/28,743,533.02
  6. Step 6: Final answer
    x = 21,654,765.76

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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.