Home / 15,557,757.68-21,469,142.90-8,588,285.60

Finding the Fourth Proportional to 15,557,757.68, 21,469,142.90 and 8,588,285.60

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Solution

The fourth proportional to 15,557,757.68, 21,469,142.90 and 8,588,285.60 is: 11,851,523.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,557,757.68 : 21,469,142.90 = 8,588,285.60 : x
  2. Step 2: Convert to fraction form
    15,557,757.68/21,469,142.90 = 8,588,285.60/x
  3. Step 3: Cross multiply
    15,557,757.68x = 21,469,142.90 × 8,588,285.60
  4. Step 4: Simplify right side
    15,557,757.68x = 184,383,130,726,537.25
  5. Step 5: Solve for x
    x = 184,383,130,726,537.25/15,557,757.68
  6. Step 6: Final answer
    x = 11,851,523.50

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1.5x scale

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.