Home / 28,545,512.94-39,392,845.87-15,492,771.86

Finding the Fourth Proportional to 28,545,512.94, 39,392,845.87 and 15,492,771.86

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Solution

The fourth proportional to 28,545,512.94, 39,392,845.87 and 15,492,771.86 is: 21,380,045.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,545,512.94 : 39,392,845.87 = 15,492,771.86 : x
  2. Step 2: Convert to fraction form
    28,545,512.94/39,392,845.87 = 15,492,771.86/x
  3. Step 3: Cross multiply
    28,545,512.94x = 39,392,845.87 × 15,492,771.86
  4. Step 4: Simplify right side
    28,545,512.94x = 610,304,373,744,357.12
  5. Step 5: Solve for x
    x = 610,304,373,744,357.12/28,545,512.94
  6. Step 6: Final answer
    x = 21,380,045.79

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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.