Home / 18,443,986.60-27,665,979.90-5,662,830.55

Finding the Fourth Proportional to 18,443,986.60, 27,665,979.90 and 5,662,830.55

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Solution

The fourth proportional to 18,443,986.60, 27,665,979.90 and 5,662,830.55 is: 8,494,245.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,443,986.60 : 27,665,979.90 = 5,662,830.55 : x
  2. Step 2: Convert to fraction form
    18,443,986.60/27,665,979.90 = 5,662,830.55/x
  3. Step 3: Cross multiply
    18,443,986.60x = 27,665,979.90 × 5,662,830.55
  4. Step 4: Simplify right side
    18,443,986.60x = 156,667,756,173,405.94
  5. Step 5: Solve for x
    x = 156,667,756,173,405.94/18,443,986.60
  6. Step 6: Final answer
    x = 8,494,245.83

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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.