Home / 20,905,244.29-28,848,434.94-11,613,399.33

Finding the Fourth Proportional to 20,905,244.29, 28,848,434.94 and 11,613,399.33

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Solution

The fourth proportional to 20,905,244.29, 28,848,434.94 and 11,613,399.33 is: 16,026,045.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,905,244.29 : 28,848,434.94 = 11,613,399.33 : x
  2. Step 2: Convert to fraction form
    20,905,244.29/28,848,434.94 = 11,613,399.33/x
  3. Step 3: Cross multiply
    20,905,244.29x = 28,848,434.94 × 11,613,399.33
  4. Step 4: Simplify right side
    20,905,244.29x = 335,028,394,901,160
  5. Step 5: Solve for x
    x = 335,028,394,901,160/20,905,244.29
  6. Step 6: Final answer
    x = 16,026,045.44

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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.