Home / 19,725,140.82-27,220,795-11,023,458.78

Finding the Fourth Proportional to 19,725,140.82, 27,220,795 and 11,023,458.78

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Solution

The fourth proportional to 19,725,140.82, 27,220,795 and 11,023,458.78 is: 15,212,429.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,725,140.82 : 27,220,795 = 11,023,458.78 : x
  2. Step 2: Convert to fraction form
    19,725,140.82/27,220,795 = 11,023,458.78/x
  3. Step 3: Cross multiply
    19,725,140.82x = 27,220,795 × 11,023,458.78
  4. Step 4: Simplify right side
    19,725,140.82x = 300,067,311,641,330.06
  5. Step 5: Solve for x
    x = 300,067,311,641,330.06/19,725,140.82
  6. Step 6: Final answer
    x = 15,212,429.38

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1.5x scale

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.