Home / 12,910,993.80-19,361,964.42-3,810,663.24

Finding the Fourth Proportional to 12,910,993.80, 19,361,964.42 and 3,810,663.24

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Solution

The fourth proportional to 12,910,993.80, 19,361,964.42 and 3,810,663.24 is: 5,714,658.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,910,993.80 : 19,361,964.42 = 3,810,663.24 : x
  2. Step 2: Convert to fraction form
    12,910,993.80/19,361,964.42 = 3,810,663.24/x
  3. Step 3: Cross multiply
    12,910,993.80x = 19,361,964.42 × 3,810,663.24
  4. Step 4: Simplify right side
    12,910,993.80x = 73,781,926,069,481.94
  5. Step 5: Solve for x
    x = 73,781,926,069,481.94/12,910,993.80
  6. Step 6: Final answer
    x = 5,714,658.93

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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.