Home / 28,546,836.75-39,394,678.01-15,494,100.44

Finding the Fourth Proportional to 28,546,836.75, 39,394,678.01 and 15,494,100.44

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Solution

The fourth proportional to 28,546,836.75, 39,394,678.01 and 15,494,100.44 is: 21,381,882.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,546,836.75 : 39,394,678.01 = 15,494,100.44 : x
  2. Step 2: Convert to fraction form
    28,546,836.75/39,394,678.01 = 15,494,100.44/x
  3. Step 3: Cross multiply
    28,546,836.75x = 39,394,678.01 × 15,494,100.44
  4. Step 4: Simplify right side
    28,546,836.75x = 610,385,097,613,955.50
  5. Step 5: Solve for x
    x = 610,385,097,613,955.50/28,546,836.75
  6. Step 6: Final answer
    x = 21,381,882.10

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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.