Home / 7,131,578.55-9,843,334.56-4,378,925.58

Finding the Fourth Proportional to 7,131,578.55, 9,843,334.56 and 4,378,925.58

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Solution

The fourth proportional to 7,131,578.55, 9,843,334.56 and 4,378,925.58 is: 6,043,995.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131,578.55 : 9,843,334.56 = 4,378,925.58 : x
  2. Step 2: Convert to fraction form
    7,131,578.55/9,843,334.56 = 4,378,925.58/x
  3. Step 3: Cross multiply
    7,131,578.55x = 9,843,334.56 × 4,378,925.58
  4. Step 4: Simplify right side
    7,131,578.55x = 43,103,229,497,282.05
  5. Step 5: Solve for x
    x = 43,103,229,497,282.05/7,131,578.55
  6. Step 6: Final answer
    x = 6,043,995.62

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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.