Home / 8,730,684.54-13,027,745.93-7,822,878.66

Finding the Fourth Proportional to 8,730,684.54, 13,027,745.93 and 7,822,878.66

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Solution

The fourth proportional to 8,730,684.54, 13,027,745.93 and 7,822,878.66 is: 11,673,136.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,730,684.54 : 13,027,745.93 = 7,822,878.66 : x
  2. Step 2: Convert to fraction form
    8,730,684.54/13,027,745.93 = 7,822,878.66/x
  3. Step 3: Cross multiply
    8,730,684.54x = 13,027,745.93 × 7,822,878.66
  4. Step 4: Simplify right side
    8,730,684.54x = 101,914,475,584,584.47
  5. Step 5: Solve for x
    x = 101,914,475,584,584.47/8,730,684.54
  6. Step 6: Final answer
    x = 11,673,136.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.