Home / 13,103,180.42-18,081,636.77-7,520,245.10

Finding the Fourth Proportional to 13,103,180.42, 18,081,636.77 and 7,520,245.10

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Solution

The fourth proportional to 13,103,180.42, 18,081,636.77 and 7,520,245.10 is: 10,377,506.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,103,180.42 : 18,081,636.77 = 7,520,245.10 : x
  2. Step 2: Convert to fraction form
    13,103,180.42/18,081,636.77 = 7,520,245.10/x
  3. Step 3: Cross multiply
    13,103,180.42x = 18,081,636.77 × 7,520,245.10
  4. Step 4: Simplify right side
    13,103,180.42x = 135,978,340,319,572.31
  5. Step 5: Solve for x
    x = 135,978,340,319,572.31/13,103,180.42
  6. Step 6: Final answer
    x = 10,377,506.53

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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.