Home / 28,198,015.18-42,288,412.21-19,500,203.59

Finding the Fourth Proportional to 28,198,015.18, 42,288,412.21 and 19,500,203.59

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Solution

The fourth proportional to 28,198,015.18, 42,288,412.21 and 19,500,203.59 is: 29,244,350.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,198,015.18 : 42,288,412.21 = 19,500,203.59 : x
  2. Step 2: Convert to fraction form
    28,198,015.18/42,288,412.21 = 19,500,203.59/x
  3. Step 3: Cross multiply
    28,198,015.18x = 42,288,412.21 × 19,500,203.59
  4. Step 4: Simplify right side
    28,198,015.18x = 824,632,647,438,370.25
  5. Step 5: Solve for x
    x = 824,632,647,438,370.25/28,198,015.18
  6. Step 6: Final answer
    x = 29,244,350.79

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1.5x scale

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.