Home / 13,687,965.62-20,524,583.70-5,486,491.45

Finding the Fourth Proportional to 13,687,965.62, 20,524,583.70 and 5,486,491.45

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Solution

The fourth proportional to 13,687,965.62, 20,524,583.70 and 5,486,491.45 is: 8,226,785.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,687,965.62 : 20,524,583.70 = 5,486,491.45 : x
  2. Step 2: Convert to fraction form
    13,687,965.62/20,524,583.70 = 5,486,491.45/x
  3. Step 3: Cross multiply
    13,687,965.62x = 20,524,583.70 × 5,486,491.45
  4. Step 4: Simplify right side
    13,687,965.62x = 112,607,952,984,859.36
  5. Step 5: Solve for x
    x = 112,607,952,984,859.36/13,687,965.62
  6. Step 6: Final answer
    x = 8,226,785.20

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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.