Home / 28,546,883.32-39,394,728.08-15,494,144.98

Finding the Fourth Proportional to 28,546,883.32, 39,394,728.08 and 15,494,144.98

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Solution

The fourth proportional to 28,546,883.32, 39,394,728.08 and 15,494,144.98 is: 21,381,935.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,546,883.32 : 39,394,728.08 = 15,494,144.98 : x
  2. Step 2: Convert to fraction form
    28,546,883.32/39,394,728.08 = 15,494,144.98/x
  3. Step 3: Cross multiply
    28,546,883.32x = 39,394,728.08 × 15,494,144.98
  4. Step 4: Simplify right side
    28,546,883.32x = 610,387,628,319,197
  5. Step 5: Solve for x
    x = 610,387,628,319,197/28,546,883.32
  6. Step 6: Final answer
    x = 21,381,935.87

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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.