Home / 22,647,010.80-31,253,759.60-12,858,365.76

Finding the Fourth Proportional to 22,647,010.80, 31,253,759.60 and 12,858,365.76

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Solution

The fourth proportional to 22,647,010.80, 31,253,759.60 and 12,858,365.76 is: 17,745,047.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,647,010.80 : 31,253,759.60 = 12,858,365.76 : x
  2. Step 2: Convert to fraction form
    22,647,010.80/31,253,759.60 = 12,858,365.76/x
  3. Step 3: Cross multiply
    22,647,010.80x = 31,253,759.60 × 12,858,365.76
  4. Step 4: Simplify right side
    22,647,010.80x = 401,872,272,311,911.31
  5. Step 5: Solve for x
    x = 401,872,272,311,911.31/22,647,010.80
  6. Step 6: Final answer
    x = 17,745,047.06

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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.