Home / 28,923,365.08-39,916,768.98-15,873,142.60

Finding the Fourth Proportional to 28,923,365.08, 39,916,768.98 and 15,873,142.60

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Solution

The fourth proportional to 28,923,365.08, 39,916,768.98 and 15,873,142.60 is: 21,906,322.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,923,365.08 : 39,916,768.98 = 15,873,142.60 : x
  2. Step 2: Convert to fraction form
    28,923,365.08/39,916,768.98 = 15,873,142.60/x
  3. Step 3: Cross multiply
    28,923,365.08x = 39,916,768.98 × 15,873,142.60
  4. Step 4: Simplify right side
    28,923,365.08x = 633,604,566,150,796.50
  5. Step 5: Solve for x
    x = 633,604,566,150,796.50/28,923,365.08
  6. Step 6: Final answer
    x = 21,906,322.60

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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.