Home / 12,117,175.50-16,721,749.13-6,610,673.98

Finding the Fourth Proportional to 12,117,175.50, 16,721,749.13 and 6,610,673.98

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Solution

The fourth proportional to 12,117,175.50, 16,721,749.13 and 6,610,673.98 is: 9,122,755.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,117,175.50 : 16,721,749.13 = 6,610,673.98 : x
  2. Step 2: Convert to fraction form
    12,117,175.50/16,721,749.13 = 6,610,673.98/x
  3. Step 3: Cross multiply
    12,117,175.50x = 16,721,749.13 × 6,610,673.98
  4. Step 4: Simplify right side
    12,117,175.50x = 110,542,031,873,778.66
  5. Step 5: Solve for x
    x = 110,542,031,873,778.66/12,117,175.50
  6. Step 6: Final answer
    x = 9,122,755.70

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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.