Home / 20,193,620.30-30,290,430.45-17,961,568.10

Finding the Fourth Proportional to 20,193,620.30, 30,290,430.45 and 17,961,568.10

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Solution

The fourth proportional to 20,193,620.30, 30,290,430.45 and 17,961,568.10 is: 26,942,352.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,193,620.30 : 30,290,430.45 = 17,961,568.10 : x
  2. Step 2: Convert to fraction form
    20,193,620.30/30,290,430.45 = 17,961,568.10/x
  3. Step 3: Cross multiply
    20,193,620.30x = 30,290,430.45 × 17,961,568.10
  4. Step 4: Simplify right side
    20,193,620.30x = 544,063,629,305,988.69
  5. Step 5: Solve for x
    x = 544,063,629,305,988.69/20,193,620.30
  6. Step 6: Final answer
    x = 26,942,352.15

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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.