Home / 21,459,135.60-29,613,817.32-11,669,791.32

Finding the Fourth Proportional to 21,459,135.60, 29,613,817.32 and 11,669,791.32

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Solution

The fourth proportional to 21,459,135.60, 29,613,817.32 and 11,669,791.32 is: 16,104,426.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,459,135.60 : 29,613,817.32 = 11,669,791.32 : x
  2. Step 2: Convert to fraction form
    21,459,135.60/29,613,817.32 = 11,669,791.32/x
  3. Step 3: Cross multiply
    21,459,135.60x = 29,613,817.32 × 11,669,791.32
  4. Step 4: Simplify right side
    21,459,135.60x = 345,587,068,313,001.69
  5. Step 5: Solve for x
    x = 345,587,068,313,001.69/21,459,135.60
  6. Step 6: Final answer
    x = 16,104,426.33

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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.