Home / 28,546,109.02-39,393,667.38-15,493,366.45

Finding the Fourth Proportional to 28,546,109.02, 39,393,667.38 and 15,493,366.45

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Solution

The fourth proportional to 28,546,109.02, 39,393,667.38 and 15,493,366.45 is: 21,380,865.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,546,109.02 : 39,393,667.38 = 15,493,366.45 : x
  2. Step 2: Convert to fraction form
    28,546,109.02/39,393,667.38 = 15,493,366.45/x
  3. Step 3: Cross multiply
    28,546,109.02x = 39,393,667.38 × 15,493,366.45
  4. Step 4: Simplify right side
    28,546,109.02x = 610,340,524,527,751.38
  5. Step 5: Solve for x
    x = 610,340,524,527,751.38/28,546,109.02
  6. Step 6: Final answer
    x = 21,380,865.75

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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.