Home / 13,642,286.40-20,463,429.60-11,808,814.95

Finding the Fourth Proportional to 13,642,286.40, 20,463,429.60 and 11,808,814.95

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Solution

The fourth proportional to 13,642,286.40, 20,463,429.60 and 11,808,814.95 is: 17,713,222.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,642,286.40 : 20,463,429.60 = 11,808,814.95 : x
  2. Step 2: Convert to fraction form
    13,642,286.40/20,463,429.60 = 11,808,814.95/x
  3. Step 3: Cross multiply
    13,642,286.40x = 20,463,429.60 × 11,808,814.95
  4. Step 4: Simplify right side
    13,642,286.40x = 241,648,853,388,752.53
  5. Step 5: Solve for x
    x = 241,648,853,388,752.53/13,642,286.40
  6. Step 6: Final answer
    x = 17,713,222.43

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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.