Home / 13,012,677.45-17,959,472.82-8,305,104.87

Finding the Fourth Proportional to 13,012,677.45, 17,959,472.82 and 8,305,104.87

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Solution

The fourth proportional to 13,012,677.45, 17,959,472.82 and 8,305,104.87 is: 11,462,307.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,012,677.45 : 17,959,472.82 = 8,305,104.87 : x
  2. Step 2: Convert to fraction form
    13,012,677.45/17,959,472.82 = 8,305,104.87/x
  3. Step 3: Cross multiply
    13,012,677.45x = 17,959,472.82 × 8,305,104.87
  4. Step 4: Simplify right side
    13,012,677.45x = 149,155,305,180,014.62
  5. Step 5: Solve for x
    x = 149,155,305,180,014.62/13,012,677.45
  6. Step 6: Final answer
    x = 11,462,307.10

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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.