Home / 11,478,383.88-15,838,997.52-7,067,409

Finding the Fourth Proportional to 11,478,383.88, 15,838,997.52 and 7,067,409

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Solution

The fourth proportional to 11,478,383.88, 15,838,997.52 and 7,067,409 is: 9,752,302.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,478,383.88 : 15,838,997.52 = 7,067,409 : x
  2. Step 2: Convert to fraction form
    11,478,383.88/15,838,997.52 = 7,067,409/x
  3. Step 3: Cross multiply
    11,478,383.88x = 15,838,997.52 × 7,067,409
  4. Step 4: Simplify right side
    11,478,383.88x = 111,940,673,623,825.67
  5. Step 5: Solve for x
    x = 111,940,673,623,825.67/11,478,383.88
  6. Step 6: Final answer
    x = 9,752,302.66

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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.