Home / 13,855,587.33-19,120,380.12-7,744,584.45

Finding the Fourth Proportional to 13,855,587.33, 19,120,380.12 and 7,744,584.45

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Solution

The fourth proportional to 13,855,587.33, 19,120,380.12 and 7,744,584.45 is: 10,687,341.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,855,587.33 : 19,120,380.12 = 7,744,584.45 : x
  2. Step 2: Convert to fraction form
    13,855,587.33/19,120,380.12 = 7,744,584.45/x
  3. Step 3: Cross multiply
    13,855,587.33x = 19,120,380.12 × 7,744,584.45
  4. Step 4: Simplify right side
    13,855,587.33x = 148,079,398,555,441.16
  5. Step 5: Solve for x
    x = 148,079,398,555,441.16/13,855,587.33
  6. Step 6: Final answer
    x = 10,687,341.87

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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.