Home / 20,561,261.36-28,373,826.84-11,394,757.04

Finding the Fourth Proportional to 20,561,261.36, 28,373,826.84 and 11,394,757.04

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Solution

The fourth proportional to 20,561,261.36, 28,373,826.84 and 11,394,757.04 is: 15,724,369.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,561,261.36 : 28,373,826.84 = 11,394,757.04 : x
  2. Step 2: Convert to fraction form
    20,561,261.36/28,373,826.84 = 11,394,757.04/x
  3. Step 3: Cross multiply
    20,561,261.36x = 28,373,826.84 × 11,394,757.04
  4. Step 4: Simplify right side
    20,561,261.36x = 323,312,863,136,830.94
  5. Step 5: Solve for x
    x = 323,312,863,136,830.94/20,561,261.36
  6. Step 6: Final answer
    x = 15,724,369.12

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1.5x scale

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.