Home / 21,233,238.30-29,301,590.23-11,940,805.51

Finding the Fourth Proportional to 21,233,238.30, 29,301,590.23 and 11,940,805.51

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Solution

The fourth proportional to 21,233,238.30, 29,301,590.23 and 11,940,805.51 is: 16,478,154.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,233,238.30 : 29,301,590.23 = 11,940,805.51 : x
  2. Step 2: Convert to fraction form
    21,233,238.30/29,301,590.23 = 11,940,805.51/x
  3. Step 3: Cross multiply
    21,233,238.30x = 29,301,590.23 × 11,940,805.51
  4. Step 4: Simplify right side
    21,233,238.30x = 349,884,589,967,040.19
  5. Step 5: Solve for x
    x = 349,884,589,967,040.19/21,233,238.30
  6. Step 6: Final answer
    x = 16,478,154.91

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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.