Home / 15,185,703.82-20,957,196.81-8,660,592.49

Finding the Fourth Proportional to 15,185,703.82, 20,957,196.81 and 8,660,592.49

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Solution

The fourth proportional to 15,185,703.82, 20,957,196.81 and 8,660,592.49 is: 11,952,145.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,185,703.82 : 20,957,196.81 = 8,660,592.49 : x
  2. Step 2: Convert to fraction form
    15,185,703.82/20,957,196.81 = 8,660,592.49/x
  3. Step 3: Cross multiply
    15,185,703.82x = 20,957,196.81 × 8,660,592.49
  4. Step 4: Simplify right side
    15,185,703.82x = 181,501,741,304,137.94
  5. Step 5: Solve for x
    x = 181,501,741,304,137.94/15,185,703.82
  6. Step 6: Final answer
    x = 11,952,145.48

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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.