Home / 12,761,408.07-19,132,300.77-6,606,791.98

Finding the Fourth Proportional to 12,761,408.07, 19,132,300.77 and 6,606,791.98

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Solution

The fourth proportional to 12,761,408.07, 19,132,300.77 and 6,606,791.98 is: 9,905,108.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,761,408.07 : 19,132,300.77 = 6,606,791.98 : x
  2. Step 2: Convert to fraction form
    12,761,408.07/19,132,300.77 = 6,606,791.98/x
  3. Step 3: Cross multiply
    12,761,408.07x = 19,132,300.77 × 6,606,791.98
  4. Step 4: Simplify right side
    12,761,408.07x = 126,403,131,286,183.83
  5. Step 5: Solve for x
    x = 126,403,131,286,183.83/12,761,408.07
  6. Step 6: Final answer
    x = 9,905,108.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.