Home / 13,002,576.78-19,505,153.07-4,807,367.76

Finding the Fourth Proportional to 13,002,576.78, 19,505,153.07 and 4,807,367.76

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Solution

The fourth proportional to 13,002,576.78, 19,505,153.07 and 4,807,367.76 is: 7,211,527.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,002,576.78 : 19,505,153.07 = 4,807,367.76 : x
  2. Step 2: Convert to fraction form
    13,002,576.78/19,505,153.07 = 4,807,367.76/x
  3. Step 3: Cross multiply
    13,002,576.78x = 19,505,153.07 × 4,807,367.76
  4. Step 4: Simplify right side
    13,002,576.78x = 93,768,444,022,583.02
  5. Step 5: Solve for x
    x = 93,768,444,022,583.02/13,002,576.78
  6. Step 6: Final answer
    x = 7,211,527.81

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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.