Home / 13,149,770.60-18,146,630.94-7,348,550.60

Finding the Fourth Proportional to 13,149,770.60, 18,146,630.94 and 7,348,550.60

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Solution

The fourth proportional to 13,149,770.60, 18,146,630.94 and 7,348,550.60 is: 10,140,970.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,149,770.60 : 18,146,630.94 = 7,348,550.60 : x
  2. Step 2: Convert to fraction form
    13,149,770.60/18,146,630.94 = 7,348,550.60/x
  3. Step 3: Cross multiply
    13,149,770.60x = 18,146,630.94 × 7,348,550.60
  4. Step 4: Simplify right side
    13,149,770.60x = 133,351,435,682,115.56
  5. Step 5: Solve for x
    x = 133,351,435,682,115.56/13,149,770.60
  6. Step 6: Final answer
    x = 10,140,970.50

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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.