Home / 8,252,963.67-11,389,131.11-5,157,284.61

Finding the Fourth Proportional to 8,252,963.67, 11,389,131.11 and 5,157,284.61

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Solution

The fourth proportional to 8,252,963.67, 11,389,131.11 and 5,157,284.61 is: 7,117,078.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,252,963.67 : 11,389,131.11 = 5,157,284.61 : x
  2. Step 2: Convert to fraction form
    8,252,963.67/11,389,131.11 = 5,157,284.61/x
  3. Step 3: Cross multiply
    8,252,963.67x = 11,389,131.11 × 5,157,284.61
  4. Step 4: Simplify right side
    8,252,963.67x = 58,736,990,594,875.22
  5. Step 5: Solve for x
    x = 58,736,990,594,875.22/8,252,963.67
  6. Step 6: Final answer
    x = 7,117,078.54

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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.