Home / 19,728,080.48-27,224,939.76-11,579,454.56

Finding the Fourth Proportional to 19,728,080.48, 27,224,939.76 and 11,579,454.56

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Solution

The fourth proportional to 19,728,080.48, 27,224,939.76 and 11,579,454.56 is: 15,979,758.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,728,080.48 : 27,224,939.76 = 11,579,454.56 : x
  2. Step 2: Convert to fraction form
    19,728,080.48/27,224,939.76 = 11,579,454.56/x
  3. Step 3: Cross multiply
    19,728,080.48x = 27,224,939.76 × 11,579,454.56
  4. Step 4: Simplify right side
    19,728,080.48x = 315,249,952,849,657.31
  5. Step 5: Solve for x
    x = 315,249,952,849,657.31/19,728,080.48
  6. Step 6: Final answer
    x = 15,979,758.05

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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.