Home / 21,257,664.39-29,336,538.26-11,968,426.33

Finding the Fourth Proportional to 21,257,664.39, 29,336,538.26 and 11,968,426.33

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Solution

The fourth proportional to 21,257,664.39, 29,336,538.26 and 11,968,426.33 is: 16,516,969.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,257,664.39 : 29,336,538.26 = 11,968,426.33 : x
  2. Step 2: Convert to fraction form
    21,257,664.39/29,336,538.26 = 11,968,426.33/x
  3. Step 3: Cross multiply
    21,257,664.39x = 29,336,538.26 × 11,968,426.33
  4. Step 4: Simplify right side
    21,257,664.39x = 351,112,196,898,616.12
  5. Step 5: Solve for x
    x = 351,112,196,898,616.12/21,257,664.39
  6. Step 6: Final answer
    x = 16,516,969.62

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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.