Home / 11,557,965.47-15,949,952.39-6,663,164.22

Finding the Fourth Proportional to 11,557,965.47, 15,949,952.39 and 6,663,164.22

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Solution

The fourth proportional to 11,557,965.47, 15,949,952.39 and 6,663,164.22 is: 9,195,143.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,557,965.47 : 15,949,952.39 = 6,663,164.22 : x
  2. Step 2: Convert to fraction form
    11,557,965.47/15,949,952.39 = 6,663,164.22/x
  3. Step 3: Cross multiply
    11,557,965.47x = 15,949,952.39 × 6,663,164.22
  4. Step 4: Simplify right side
    11,557,965.47x = 106,277,152,092,409.39
  5. Step 5: Solve for x
    x = 106,277,152,092,409.39/11,557,965.47
  6. Step 6: Final answer
    x = 9,195,143.59

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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.