Home / 19,847,751.82-27,390,560.64-11,147,457.58

Finding the Fourth Proportional to 19,847,751.82, 27,390,560.64 and 11,147,457.58

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Solution

The fourth proportional to 19,847,751.82, 27,390,560.64 and 11,147,457.58 is: 15,383,863.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,847,751.82 : 27,390,560.64 = 11,147,457.58 : x
  2. Step 2: Convert to fraction form
    19,847,751.82/27,390,560.64 = 11,147,457.58/x
  3. Step 3: Cross multiply
    19,847,751.82x = 27,390,560.64 × 11,147,457.58
  4. Step 4: Simplify right side
    19,847,751.82x = 305,335,112,826,817.69
  5. Step 5: Solve for x
    x = 305,335,112,826,817.69/19,847,751.82
  6. Step 6: Final answer
    x = 15,383,863.91

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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.