Home / 12,756,592.80-19,143,855.63-11,536,935.57

Finding the Fourth Proportional to 12,756,592.80, 19,143,855.63 and 11,536,935.57

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Solution

The fourth proportional to 12,756,592.80, 19,143,855.63 and 11,536,935.57 is: 17,313,512.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,756,592.80 : 19,143,855.63 = 11,536,935.57 : x
  2. Step 2: Convert to fraction form
    12,756,592.80/19,143,855.63 = 11,536,935.57/x
  3. Step 3: Cross multiply
    12,756,592.80x = 19,143,855.63 × 11,536,935.57
  4. Step 4: Simplify right side
    12,756,592.80x = 220,861,428,964,691.75
  5. Step 5: Solve for x
    x = 220,861,428,964,691.75/12,756,592.80
  6. Step 6: Final answer
    x = 17,313,512.51

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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.