Home / 7,882,757.85-10,878,190.71-4,397,889.26

Finding the Fourth Proportional to 7,882,757.85, 10,878,190.71 and 4,397,889.26

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Solution

The fourth proportional to 7,882,757.85, 10,878,190.71 and 4,397,889.26 is: 6,069,078.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,882,757.85 : 10,878,190.71 = 4,397,889.26 : x
  2. Step 2: Convert to fraction form
    7,882,757.85/10,878,190.71 = 4,397,889.26/x
  3. Step 3: Cross multiply
    7,882,757.85x = 10,878,190.71 × 4,397,889.26
  4. Step 4: Simplify right side
    7,882,757.85x = 47,841,078,037,349.82
  5. Step 5: Solve for x
    x = 47,841,078,037,349.82/7,882,757.85
  6. Step 6: Final answer
    x = 6,069,078.73

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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.