Home / 21,458,944.71-29,613,554.56-11,669,601.62

Finding the Fourth Proportional to 21,458,944.71, 29,613,554.56 and 11,669,601.62

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Solution

The fourth proportional to 21,458,944.71, 29,613,554.56 and 11,669,601.62 is: 16,104,164.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,458,944.71 : 29,613,554.56 = 11,669,601.62 : x
  2. Step 2: Convert to fraction form
    21,458,944.71/29,613,554.56 = 11,669,601.62/x
  3. Step 3: Cross multiply
    21,458,944.71x = 29,613,554.56 × 11,669,601.62
  4. Step 4: Simplify right side
    21,458,944.71x = 345,578,384,164,126.50
  5. Step 5: Solve for x
    x = 345,578,384,164,126.50/21,458,944.71
  6. Step 6: Final answer
    x = 16,104,164.90

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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.