Home / 8,126,342.82-11,215,495.56-5,029,859.42

Finding the Fourth Proportional to 8,126,342.82, 11,215,495.56 and 5,029,859.42

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Solution

The fourth proportional to 8,126,342.82, 11,215,495.56 and 5,029,859.42 is: 6,941,913.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,126,342.82 : 11,215,495.56 = 5,029,859.42 : x
  2. Step 2: Convert to fraction form
    8,126,342.82/11,215,495.56 = 5,029,859.42/x
  3. Step 3: Cross multiply
    8,126,342.82x = 11,215,495.56 × 5,029,859.42
  4. Step 4: Simplify right side
    8,126,342.82x = 56,412,365,992,434.18
  5. Step 5: Solve for x
    x = 56,412,365,992,434.18/8,126,342.82
  6. Step 6: Final answer
    x = 6,941,913.14

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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.