Home / 13,004,857.80-19,507,286.70-12,207,696.30

Finding the Fourth Proportional to 13,004,857.80, 19,507,286.70 and 12,207,696.30

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Solution

The fourth proportional to 13,004,857.80, 19,507,286.70 and 12,207,696.30 is: 18,311,544.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,004,857.80 : 19,507,286.70 = 12,207,696.30 : x
  2. Step 2: Convert to fraction form
    13,004,857.80/19,507,286.70 = 12,207,696.30/x
  3. Step 3: Cross multiply
    13,004,857.80x = 19,507,286.70 × 12,207,696.30
  4. Step 4: Simplify right side
    13,004,857.80x = 238,139,031,670,629.22
  5. Step 5: Solve for x
    x = 238,139,031,670,629.22/13,004,857.80
  6. Step 6: Final answer
    x = 18,311,544.45

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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.