Home / 20,759,249.10-28,647,189.16-11,466,652.62

Finding the Fourth Proportional to 20,759,249.10, 28,647,189.16 and 11,466,652.62

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Solution

The fourth proportional to 20,759,249.10, 28,647,189.16 and 11,466,652.62 is: 15,823,663.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,759,249.10 : 28,647,189.16 = 11,466,652.62 : x
  2. Step 2: Convert to fraction form
    20,759,249.10/28,647,189.16 = 11,466,652.62/x
  3. Step 3: Cross multiply
    20,759,249.10x = 28,647,189.16 × 11,466,652.62
  4. Step 4: Simplify right side
    20,759,249.10x = 328,487,366,608,482.94
  5. Step 5: Solve for x
    x = 328,487,366,608,482.94/20,759,249.10
  6. Step 6: Final answer
    x = 15,823,663.23

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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.