Home / 12,673,228.80-19,009,843.20-11,926,732.80

Finding the Fourth Proportional to 12,673,228.80, 19,009,843.20 and 11,926,732.80

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Solution

The fourth proportional to 12,673,228.80, 19,009,843.20 and 11,926,732.80 is: 17,890,099.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,673,228.80 : 19,009,843.20 = 11,926,732.80 : x
  2. Step 2: Convert to fraction form
    12,673,228.80/19,009,843.20 = 11,926,732.80/x
  3. Step 3: Cross multiply
    12,673,228.80x = 19,009,843.20 × 11,926,732.80
  4. Step 4: Simplify right side
    12,673,228.80x = 226,725,320,416,296.97
  5. Step 5: Solve for x
    x = 226,725,320,416,296.97/12,673,228.80
  6. Step 6: Final answer
    x = 17,890,099.20

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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.