Home / 12,756,601.68-19,143,869.10-11,536,944.57

Finding the Fourth Proportional to 12,756,601.68, 19,143,869.10 and 11,536,944.57

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Solution

The fourth proportional to 12,756,601.68, 19,143,869.10 and 11,536,944.57 is: 17,313,526.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,756,601.68 : 19,143,869.10 = 11,536,944.57 : x
  2. Step 2: Convert to fraction form
    12,756,601.68/19,143,869.10 = 11,536,944.57/x
  3. Step 3: Cross multiply
    12,756,601.68x = 19,143,869.10 × 11,536,944.57
  4. Step 4: Simplify right side
    12,756,601.68x = 220,861,756,662,035.81
  5. Step 5: Solve for x
    x = 220,861,756,662,035.81/12,756,601.68
  6. Step 6: Final answer
    x = 17,313,526.14

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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.