Home / 20,050,110.38-30,070,350.06-9,257,041.21

Finding the Fourth Proportional to 20,050,110.38, 30,070,350.06 and 9,257,041.21

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Solution

The fourth proportional to 20,050,110.38, 30,070,350.06 and 9,257,041.21 is: 13,883,338.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,050,110.38 : 30,070,350.06 = 9,257,041.21 : x
  2. Step 2: Convert to fraction form
    20,050,110.38/30,070,350.06 = 9,257,041.21/x
  3. Step 3: Cross multiply
    20,050,110.38x = 30,070,350.06 × 9,257,041.21
  4. Step 4: Simplify right side
    20,050,110.38x = 278,362,469,720,465.88
  5. Step 5: Solve for x
    x = 278,362,469,720,465.88/20,050,110.38
  6. Step 6: Final answer
    x = 13,883,338.52

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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.