Home / 14,576,500.62-20,115,571.02-8,465,322.78

Finding the Fourth Proportional to 14,576,500.62, 20,115,571.02 and 8,465,322.78

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Solution

The fourth proportional to 14,576,500.62, 20,115,571.02 and 8,465,322.78 is: 11,682,145.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,576,500.62 : 20,115,571.02 = 8,465,322.78 : x
  2. Step 2: Convert to fraction form
    14,576,500.62/20,115,571.02 = 8,465,322.78/x
  3. Step 3: Cross multiply
    14,576,500.62x = 20,115,571.02 × 8,465,322.78
  4. Step 4: Simplify right side
    14,576,500.62x = 170,284,801,588,313.81
  5. Step 5: Solve for x
    x = 170,284,801,588,313.81/14,576,500.62
  6. Step 6: Final answer
    x = 11,682,145.53

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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.