Home / 19,917,491.64-27,485,868.15-11,215,768.56

Finding the Fourth Proportional to 19,917,491.64, 27,485,868.15 and 11,215,768.56

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Solution

The fourth proportional to 19,917,491.64, 27,485,868.15 and 11,215,768.56 is: 15,477,608.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,917,491.64 : 27,485,868.15 = 11,215,768.56 : x
  2. Step 2: Convert to fraction form
    19,917,491.64/27,485,868.15 = 11,215,768.56/x
  3. Step 3: Cross multiply
    19,917,491.64x = 27,485,868.15 × 11,215,768.56
  4. Step 4: Simplify right side
    19,917,491.64x = 308,275,135,841,075.38
  5. Step 5: Solve for x
    x = 308,275,135,841,075.38/19,917,491.64
  6. Step 6: Final answer
    x = 15,477,608.40

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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.