Home / 19,579,979.37-27,018,787.50-11,320,571.55

Finding the Fourth Proportional to 19,579,979.37, 27,018,787.50 and 11,320,571.55

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Solution

The fourth proportional to 19,579,979.37, 27,018,787.50 and 11,320,571.55 is: 15,621,472.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,579,979.37 : 27,018,787.50 = 11,320,571.55 : x
  2. Step 2: Convert to fraction form
    19,579,979.37/27,018,787.50 = 11,320,571.55/x
  3. Step 3: Cross multiply
    19,579,979.37x = 27,018,787.50 × 11,320,571.55
  4. Step 4: Simplify right side
    19,579,979.37x = 305,868,117,087,995.62
  5. Step 5: Solve for x
    x = 305,868,117,087,995.62/19,579,979.37
  6. Step 6: Final answer
    x = 15,621,472.90

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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.