Home / 12,718,564.11-18,991,696.79-10,095,439.54

Finding the Fourth Proportional to 12,718,564.11, 18,991,696.79 and 10,095,439.54

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Solution

The fourth proportional to 12,718,564.11, 18,991,696.79 and 10,095,439.54 is: 15,074,777.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,718,564.11 : 18,991,696.79 = 10,095,439.54 : x
  2. Step 2: Convert to fraction form
    12,718,564.11/18,991,696.79 = 10,095,439.54/x
  3. Step 3: Cross multiply
    12,718,564.11x = 18,991,696.79 × 10,095,439.54
  4. Step 4: Simplify right side
    12,718,564.11x = 191,729,526,705,457.06
  5. Step 5: Solve for x
    x = 191,729,526,705,457.06/12,718,564.11
  6. Step 6: Final answer
    x = 15,074,777.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.