Home / 7,213,126.87-10,819,828.82-3,372,831.42

Finding the Fourth Proportional to 7,213,126.87, 10,819,828.82 and 3,372,831.42

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Solution

The fourth proportional to 7,213,126.87, 10,819,828.82 and 3,372,831.42 is: 5,059,311.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,213,126.87 : 10,819,828.82 = 3,372,831.42 : x
  2. Step 2: Convert to fraction form
    7,213,126.87/10,819,828.82 = 3,372,831.42/x
  3. Step 3: Cross multiply
    7,213,126.87x = 10,819,828.82 × 3,372,831.42
  4. Step 4: Simplify right side
    7,213,126.87x = 36,493,458,603,117.52
  5. Step 5: Solve for x
    x = 36,493,458,603,117.52/7,213,126.87
  6. Step 6: Final answer
    x = 5,059,311.90

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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.