Home / 21,260,667.38-29,348,789.94-14,295,382.20

Finding the Fourth Proportional to 21,260,667.38, 29,348,789.94 and 14,295,382.20

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Solution

The fourth proportional to 21,260,667.38, 29,348,789.94 and 14,295,382.20 is: 19,733,725.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,260,667.38 : 29,348,789.94 = 14,295,382.20 : x
  2. Step 2: Convert to fraction form
    21,260,667.38/29,348,789.94 = 14,295,382.20/x
  3. Step 3: Cross multiply
    21,260,667.38x = 29,348,789.94 × 14,295,382.20
  4. Step 4: Simplify right side
    21,260,667.38x = 419,552,169,299,815.06
  5. Step 5: Solve for x
    x = 419,552,169,299,815.06/21,260,667.38
  6. Step 6: Final answer
    x = 19,733,725.28

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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.