Home / 8,749,487.60-13,149,114.60-7,654,626.80

Finding the Fourth Proportional to 8,749,487.60, 13,149,114.60 and 7,654,626.80

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Solution

The fourth proportional to 8,749,487.60, 13,149,114.60 and 7,654,626.80 is: 11,503,709.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749,487.60 : 13,149,114.60 = 7,654,626.80 : x
  2. Step 2: Convert to fraction form
    8,749,487.60/13,149,114.60 = 7,654,626.80/x
  3. Step 3: Cross multiply
    8,749,487.60x = 13,149,114.60 × 7,654,626.80
  4. Step 4: Simplify right side
    8,749,487.60x = 100,651,565,013,431.28
  5. Step 5: Solve for x
    x = 100,651,565,013,431.28/8,749,487.60
  6. Step 6: Final answer
    x = 11,503,709.66

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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.