Home / 19,720,917.60-27,214,808.81-11,019,097.05

Finding the Fourth Proportional to 19,720,917.60, 27,214,808.81 and 11,019,097.05

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Solution

The fourth proportional to 19,720,917.60, 27,214,808.81 and 11,019,097.05 is: 15,206,321.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,720,917.60 : 27,214,808.81 = 11,019,097.05 : x
  2. Step 2: Convert to fraction form
    19,720,917.60/27,214,808.81 = 11,019,097.05/x
  3. Step 3: Cross multiply
    19,720,917.60x = 27,214,808.81 × 11,019,097.05
  4. Step 4: Simplify right side
    19,720,917.60x = 299,882,619,419,489.56
  5. Step 5: Solve for x
    x = 299,882,619,419,489.56/19,720,917.60
  6. Step 6: Final answer
    x = 15,206,321.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.