Home / 19,720,919.51-27,214,811.43-11,019,098.93

Finding the Fourth Proportional to 19,720,919.51, 27,214,811.43 and 11,019,098.93

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Solution

The fourth proportional to 19,720,919.51, 27,214,811.43 and 11,019,098.93 is: 15,206,324.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,720,919.51 : 27,214,811.43 = 11,019,098.93 : x
  2. Step 2: Convert to fraction form
    19,720,919.51/27,214,811.43 = 11,019,098.93/x
  3. Step 3: Cross multiply
    19,720,919.51x = 27,214,811.43 × 11,019,098.93
  4. Step 4: Simplify right side
    19,720,919.51x = 299,882,699,331,069.12
  5. Step 5: Solve for x
    x = 299,882,699,331,069.12/19,720,919.51
  6. Step 6: Final answer
    x = 15,206,324.39

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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.