Home / 11,961,906.80-17,947,007.40-5,235,148.40

Finding the Fourth Proportional to 11,961,906.80, 17,947,007.40 and 5,235,148.40

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Solution

The fourth proportional to 11,961,906.80, 17,947,007.40 and 5,235,148.40 is: 7,854,537.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,961,906.80 : 17,947,007.40 = 5,235,148.40 : x
  2. Step 2: Convert to fraction form
    11,961,906.80/17,947,007.40 = 5,235,148.40/x
  3. Step 3: Cross multiply
    11,961,906.80x = 17,947,007.40 × 5,235,148.40
  4. Step 4: Simplify right side
    11,961,906.80x = 93,955,247,074,898.16
  5. Step 5: Solve for x
    x = 93,955,247,074,898.16/11,961,906.80
  6. Step 6: Final answer
    x = 7,854,537.63

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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.