Home / 19,580,022.78-27,018,847.53-11,320,615.08

Finding the Fourth Proportional to 19,580,022.78, 27,018,847.53 and 11,320,615.08

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Solution

The fourth proportional to 19,580,022.78, 27,018,847.53 and 11,320,615.08 is: 15,621,533.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,580,022.78 : 27,018,847.53 = 11,320,615.08 : x
  2. Step 2: Convert to fraction form
    19,580,022.78/27,018,847.53 = 11,320,615.08/x
  3. Step 3: Cross multiply
    19,580,022.78x = 27,018,847.53 × 11,320,615.08
  4. Step 4: Simplify right side
    19,580,022.78x = 305,869,972,792,338.75
  5. Step 5: Solve for x
    x = 305,869,972,792,338.75/19,580,022.78
  6. Step 6: Final answer
    x = 15,621,533.04

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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.