Home / 20,665,823.73-30,954,448.80-16,809,340.83

Finding the Fourth Proportional to 20,665,823.73, 30,954,448.80 and 16,809,340.83

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Solution

The fourth proportional to 20,665,823.73, 30,954,448.80 and 16,809,340.83 is: 25,177,988.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,665,823.73 : 30,954,448.80 = 16,809,340.83 : x
  2. Step 2: Convert to fraction form
    20,665,823.73/30,954,448.80 = 16,809,340.83/x
  3. Step 3: Cross multiply
    20,665,823.73x = 30,954,448.80 × 16,809,340.83
  4. Step 4: Simplify right side
    20,665,823.73x = 520,323,880,083,984.44
  5. Step 5: Solve for x
    x = 520,323,880,083,984.44/20,665,823.73
  6. Step 6: Final answer
    x = 25,177,988.88

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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.