Home / 7,738,829.78-11,609,365.66-2,880,732.47

Finding the Fourth Proportional to 7,738,829.78, 11,609,365.66 and 2,880,732.47

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Solution

The fourth proportional to 7,738,829.78, 11,609,365.66 and 2,880,732.47 is: 4,321,515.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,738,829.78 : 11,609,365.66 = 2,880,732.47 : x
  2. Step 2: Convert to fraction form
    7,738,829.78/11,609,365.66 = 2,880,732.47/x
  3. Step 3: Cross multiply
    7,738,829.78x = 11,609,365.66 × 2,880,732.47
  4. Step 4: Simplify right side
    7,738,829.78x = 33,443,476,563,820.44
  5. Step 5: Solve for x
    x = 33,443,476,563,820.44/7,738,829.78
  6. Step 6: Final answer
    x = 4,321,515.98

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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.