Home / 8,917,243.90-12,306,847.11-5,295,571.90

Finding the Fourth Proportional to 8,917,243.90, 12,306,847.11 and 5,295,571.90

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Solution

The fourth proportional to 8,917,243.90, 12,306,847.11 and 5,295,571.90 is: 7,308,513.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,917,243.90 : 12,306,847.11 = 5,295,571.90 : x
  2. Step 2: Convert to fraction form
    8,917,243.90/12,306,847.11 = 5,295,571.90/x
  3. Step 3: Cross multiply
    8,917,243.90x = 12,306,847.11 × 5,295,571.90
  4. Step 4: Simplify right side
    8,917,243.90x = 65,171,793,733,312.21
  5. Step 5: Solve for x
    x = 65,171,793,733,312.21/8,917,243.90
  6. Step 6: Final answer
    x = 7,308,513.09

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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.