Home / 12,392,375.45-18,595,838.61-5,203,356.53

Finding the Fourth Proportional to 12,392,375.45, 18,595,838.61 and 5,203,356.53

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Solution

The fourth proportional to 12,392,375.45, 18,595,838.61 and 5,203,356.53 is: 7,808,089.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,392,375.45 : 18,595,838.61 = 5,203,356.53 : x
  2. Step 2: Convert to fraction form
    12,392,375.45/18,595,838.61 = 5,203,356.53/x
  3. Step 3: Cross multiply
    12,392,375.45x = 18,595,838.61 × 5,203,356.53
  4. Step 4: Simplify right side
    12,392,375.45x = 96,760,778,169,190.44
  5. Step 5: Solve for x
    x = 96,760,778,169,190.44/12,392,375.45
  6. Step 6: Final answer
    x = 7,808,089.63

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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.