Home / 19,579,826.19-27,018,576.03-11,320,418.43

Finding the Fourth Proportional to 19,579,826.19, 27,018,576.03 and 11,320,418.43

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Solution

The fourth proportional to 19,579,826.19, 27,018,576.03 and 11,320,418.43 is: 15,621,261.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,579,826.19 : 27,018,576.03 = 11,320,418.43 : x
  2. Step 2: Convert to fraction form
    19,579,826.19/27,018,576.03 = 11,320,418.43/x
  3. Step 3: Cross multiply
    19,579,826.19x = 27,018,576.03 × 11,320,418.43
  4. Step 4: Simplify right side
    19,579,826.19x = 305,861,586,042,368.25
  5. Step 5: Solve for x
    x = 305,861,586,042,368.25/19,579,826.19
  6. Step 6: Final answer
    x = 15,621,261.55

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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.