Home / 13,441,520.25-18,550,697.76-8,284,749.21

Finding the Fourth Proportional to 13,441,520.25, 18,550,697.76 and 8,284,749.21

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Solution

The fourth proportional to 13,441,520.25, 18,550,697.76 and 8,284,749.21 is: 11,433,816.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,441,520.25 : 18,550,697.76 = 8,284,749.21 : x
  2. Step 2: Convert to fraction form
    13,441,520.25/18,550,697.76 = 8,284,749.21/x
  3. Step 3: Cross multiply
    13,441,520.25x = 18,550,697.76 × 8,284,749.21
  4. Step 4: Simplify right side
    13,441,520.25x = 153,687,878,612,108.78
  5. Step 5: Solve for x
    x = 153,687,878,612,108.78/13,441,520.25
  6. Step 6: Final answer
    x = 11,433,816.69

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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.