Home / 12,289,259.82-18,436,267.92-4,715,636.70

Finding the Fourth Proportional to 12,289,259.82, 18,436,267.92 and 4,715,636.70

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Solution

The fourth proportional to 12,289,259.82, 18,436,267.92 and 4,715,636.70 is: 7,074,367.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,289,259.82 : 18,436,267.92 = 4,715,636.70 : x
  2. Step 2: Convert to fraction form
    12,289,259.82/18,436,267.92 = 4,715,636.70/x
  3. Step 3: Cross multiply
    12,289,259.82x = 18,436,267.92 × 4,715,636.70
  4. Step 4: Simplify right side
    12,289,259.82x = 86,938,741,614,584.67
  5. Step 5: Solve for x
    x = 86,938,741,614,584.67/12,289,259.82
  6. Step 6: Final answer
    x = 7,074,367.61

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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.