Home / 20,734,757.52-28,613,977.68-11,567,400.24

Finding the Fourth Proportional to 20,734,757.52, 28,613,977.68 and 11,567,400.24

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Solution

The fourth proportional to 20,734,757.52, 28,613,977.68 and 11,567,400.24 is: 15,963,019.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,734,757.52 : 28,613,977.68 = 11,567,400.24 : x
  2. Step 2: Convert to fraction form
    20,734,757.52/28,613,977.68 = 11,567,400.24/x
  3. Step 3: Cross multiply
    20,734,757.52x = 28,613,977.68 × 11,567,400.24
  4. Step 4: Simplify right side
    20,734,757.52x = 330,989,332,282,986.62
  5. Step 5: Solve for x
    x = 330,989,332,282,986.62/20,734,757.52
  6. Step 6: Final answer
    x = 15,963,019.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.