Home / 7,787,389.68-11,688,410.97-3,951,965.16

Finding the Fourth Proportional to 7,787,389.68, 11,688,410.97 and 3,951,965.16

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Solution

The fourth proportional to 7,787,389.68, 11,688,410.97 and 3,951,965.16 is: 5,931,665.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,787,389.68 : 11,688,410.97 = 3,951,965.16 : x
  2. Step 2: Convert to fraction form
    7,787,389.68/11,688,410.97 = 3,951,965.16/x
  3. Step 3: Cross multiply
    7,787,389.68x = 11,688,410.97 × 3,951,965.16
  4. Step 4: Simplify right side
    7,787,389.68x = 46,192,192,929,201.81
  5. Step 5: Solve for x
    x = 46,192,192,929,201.81/7,787,389.68
  6. Step 6: Final answer
    x = 5,931,665.79

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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.