Home / 20,211,390.14-27,891,789.68-11,044,032.89

Finding the Fourth Proportional to 20,211,390.14, 27,891,789.68 and 11,044,032.89

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Solution

The fourth proportional to 20,211,390.14, 27,891,789.68 and 11,044,032.89 is: 15,240,804.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,211,390.14 : 27,891,789.68 = 11,044,032.89 : x
  2. Step 2: Convert to fraction form
    20,211,390.14/27,891,789.68 = 11,044,032.89/x
  3. Step 3: Cross multiply
    20,211,390.14x = 27,891,789.68 × 11,044,032.89
  4. Step 4: Simplify right side
    20,211,390.14x = 308,037,842,475,033.69
  5. Step 5: Solve for x
    x = 308,037,842,475,033.69/20,211,390.14
  6. Step 6: Final answer
    x = 15,240,804.34

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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.