Home / 11,911,725.80-17,867,588.70-10,589,028.20

Finding the Fourth Proportional to 11,911,725.80, 17,867,588.70 and 10,589,028.20

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Solution

The fourth proportional to 11,911,725.80, 17,867,588.70 and 10,589,028.20 is: 15,883,542.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,911,725.80 : 17,867,588.70 = 10,589,028.20 : x
  2. Step 2: Convert to fraction form
    11,911,725.80/17,867,588.70 = 10,589,028.20/x
  3. Step 3: Cross multiply
    11,911,725.80x = 17,867,588.70 × 10,589,028.20
  4. Step 4: Simplify right side
    11,911,725.80x = 189,200,400,610,301.31
  5. Step 5: Solve for x
    x = 189,200,400,610,301.31/11,911,725.80
  6. Step 6: Final answer
    x = 15,883,542.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.