Home / 12,503,996.68-18,736,625.71-8,673,266.61

Finding the Fourth Proportional to 12,503,996.68, 18,736,625.71 and 8,673,266.61

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Solution

The fourth proportional to 12,503,996.68, 18,736,625.71 and 8,673,266.61 is: 12,996,464.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,503,996.68 : 18,736,625.71 = 8,673,266.61 : x
  2. Step 2: Convert to fraction form
    12,503,996.68/18,736,625.71 = 8,673,266.61/x
  3. Step 3: Cross multiply
    12,503,996.68x = 18,736,625.71 × 8,673,266.61
  4. Step 4: Simplify right side
    12,503,996.68x = 162,507,750,272,958.97
  5. Step 5: Solve for x
    x = 162,507,750,272,958.97/12,503,996.68
  6. Step 6: Final answer
    x = 12,996,464.61

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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.