Home / 7,750,181.52-11,627,885.61-3,431,642.09

Finding the Fourth Proportional to 7,750,181.52, 11,627,885.61 and 3,431,642.09

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Solution

The fourth proportional to 7,750,181.52, 11,627,885.61 and 3,431,642.09 is: 5,148,620.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,750,181.52 : 11,627,885.61 = 3,431,642.09 : x
  2. Step 2: Convert to fraction form
    7,750,181.52/11,627,885.61 = 3,431,642.09/x
  3. Step 3: Cross multiply
    7,750,181.52x = 11,627,885.61 × 3,431,642.09
  4. Step 4: Simplify right side
    7,750,181.52x = 39,902,741,618,841.89
  5. Step 5: Solve for x
    x = 39,902,741,618,841.89/7,750,181.52
  6. Step 6: Final answer
    x = 5,148,620.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.