Home / 20,164,249.33-27,821,881.15-11,461,736.90

Finding the Fourth Proportional to 20,164,249.33, 27,821,881.15 and 11,461,736.90

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Solution

The fourth proportional to 20,164,249.33, 27,821,881.15 and 11,461,736.90 is: 15,814,478.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,164,249.33 : 27,821,881.15 = 11,461,736.90 : x
  2. Step 2: Convert to fraction form
    20,164,249.33/27,821,881.15 = 11,461,736.90/x
  3. Step 3: Cross multiply
    20,164,249.33x = 27,821,881.15 × 11,461,736.90
  4. Step 4: Simplify right side
    20,164,249.33x = 318,887,081,845,269.81
  5. Step 5: Solve for x
    x = 318,887,081,845,269.81/20,164,249.33
  6. Step 6: Final answer
    x = 15,814,478.22

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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.