Home / 8,722,906.79-13,085,781.47-2,575,509.85

Finding the Fourth Proportional to 8,722,906.79, 13,085,781.47 and 2,575,509.85

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Solution

The fourth proportional to 8,722,906.79, 13,085,781.47 and 2,575,509.85 is: 3,863,684.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722,906.79 : 13,085,781.47 = 2,575,509.85 : x
  2. Step 2: Convert to fraction form
    8,722,906.79/13,085,781.47 = 2,575,509.85/x
  3. Step 3: Cross multiply
    8,722,906.79x = 13,085,781.47 × 2,575,509.85
  4. Step 4: Simplify right side
    8,722,906.79x = 33,702,559,074,412.16
  5. Step 5: Solve for x
    x = 33,702,559,074,412.16/8,722,906.79
  6. Step 6: Final answer
    x = 3,863,684.42

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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.