Home / 12,295,983.60-18,443,975.40-3,775,212.90

Finding the Fourth Proportional to 12,295,983.60, 18,443,975.40 and 3,775,212.90

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Solution

The fourth proportional to 12,295,983.60, 18,443,975.40 and 3,775,212.90 is: 5,662,819.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,295,983.60 : 18,443,975.40 = 3,775,212.90 : x
  2. Step 2: Convert to fraction form
    12,295,983.60/18,443,975.40 = 3,775,212.90/x
  3. Step 3: Cross multiply
    12,295,983.60x = 18,443,975.40 × 3,775,212.90
  4. Step 4: Simplify right side
    12,295,983.60x = 69,629,933,857,362.66
  5. Step 5: Solve for x
    x = 69,629,933,857,362.66/12,295,983.60
  6. Step 6: Final answer
    x = 5,662,819.35

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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.