Home / 12,300,857.22-18,453,046.75-3,781,908.98

Finding the Fourth Proportional to 12,300,857.22, 18,453,046.75 and 3,781,908.98

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Solution

The fourth proportional to 12,300,857.22, 18,453,046.75 and 3,781,908.98 is: 5,673,404.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,300,857.22 : 18,453,046.75 = 3,781,908.98 : x
  2. Step 2: Convert to fraction form
    12,300,857.22/18,453,046.75 = 3,781,908.98/x
  3. Step 3: Cross multiply
    12,300,857.22x = 18,453,046.75 × 3,781,908.98
  4. Step 4: Simplify right side
    12,300,857.22x = 69,787,743,212,184.81
  5. Step 5: Solve for x
    x = 69,787,743,212,184.81/12,300,857.22
  6. Step 6: Final answer
    x = 5,673,404.87

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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.