Home / 12,999,467.67-17,939,046.14-7,198,124.85

Finding the Fourth Proportional to 12,999,467.67, 17,939,046.14 and 7,198,124.85

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Solution

The fourth proportional to 12,999,467.67, 17,939,046.14 and 7,198,124.85 is: 9,933,290.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,999,467.67 : 17,939,046.14 = 7,198,124.85 : x
  2. Step 2: Convert to fraction form
    12,999,467.67/17,939,046.14 = 7,198,124.85/x
  3. Step 3: Cross multiply
    12,999,467.67x = 17,939,046.14 × 7,198,124.85
  4. Step 4: Simplify right side
    12,999,467.67x = 129,127,493,796,632.92
  5. Step 5: Solve for x
    x = 129,127,493,796,632.92/12,999,467.67
  6. Step 6: Final answer
    x = 9,933,290.89

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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.