Home / 28,923,364.08-39,916,767.60-15,873,141.60

Finding the Fourth Proportional to 28,923,364.08, 39,916,767.60 and 15,873,141.60

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Solution

The fourth proportional to 28,923,364.08, 39,916,767.60 and 15,873,141.60 is: 21,906,321.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,923,364.08 : 39,916,767.60 = 15,873,141.60 : x
  2. Step 2: Convert to fraction form
    28,923,364.08/39,916,767.60 = 15,873,141.60/x
  3. Step 3: Cross multiply
    28,923,364.08x = 39,916,767.60 × 15,873,141.60
  4. Step 4: Simplify right side
    28,923,364.08x = 633,604,504,329,092.12
  5. Step 5: Solve for x
    x = 633,604,504,329,092.12/28,923,364.08
  6. Step 6: Final answer
    x = 21,906,321.22

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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.