Home / 15,382,917.54-21,231,266.07-9,883,167.51

Finding the Fourth Proportional to 15,382,917.54, 21,231,266.07 and 9,883,167.51

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Solution

The fourth proportional to 15,382,917.54, 21,231,266.07 and 9,883,167.51 is: 13,640,595.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,382,917.54 : 21,231,266.07 = 9,883,167.51 : x
  2. Step 2: Convert to fraction form
    15,382,917.54/21,231,266.07 = 9,883,167.51/x
  3. Step 3: Cross multiply
    15,382,917.54x = 21,231,266.07 × 9,883,167.51
  4. Step 4: Simplify right side
    15,382,917.54x = 209,832,159,019,189.38
  5. Step 5: Solve for x
    x = 209,832,159,019,189.38/15,382,917.54
  6. Step 6: Final answer
    x = 13,640,595.71

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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.