Home / 9,144,561.60-13,702,845.60-8,640,676.80

Finding the Fourth Proportional to 9,144,561.60, 13,702,845.60 and 8,640,676.80

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Solution

The fourth proportional to 9,144,561.60, 13,702,845.60 and 8,640,676.80 is: 12,947,789.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,144,561.60 : 13,702,845.60 = 8,640,676.80 : x
  2. Step 2: Convert to fraction form
    9,144,561.60/13,702,845.60 = 8,640,676.80/x
  3. Step 3: Cross multiply
    9,144,561.60x = 13,702,845.60 × 8,640,676.80
  4. Step 4: Simplify right side
    9,144,561.60x = 118,401,860,069,902.09
  5. Step 5: Solve for x
    x = 118,401,860,069,902.09/9,144,561.60
  6. Step 6: Final answer
    x = 12,947,789.65

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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.