Home / 20,250,411.90-27,945,642.47-10,957,982.05

Finding the Fourth Proportional to 20,250,411.90, 27,945,642.47 and 10,957,982.05

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Solution

The fourth proportional to 20,250,411.90, 27,945,642.47 and 10,957,982.05 is: 15,122,055.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,250,411.90 : 27,945,642.47 = 10,957,982.05 : x
  2. Step 2: Convert to fraction form
    20,250,411.90/27,945,642.47 = 10,957,982.05/x
  3. Step 3: Cross multiply
    20,250,411.90x = 27,945,642.47 × 10,957,982.05
  4. Step 4: Simplify right side
    20,250,411.90x = 306,227,848,561,977.69
  5. Step 5: Solve for x
    x = 306,227,848,561,977.69/20,250,411.90
  6. Step 6: Final answer
    x = 15,122,055.30

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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.