Home / 13,235,809.78-18,265,861.02-7,355,691.75

Finding the Fourth Proportional to 13,235,809.78, 18,265,861.02 and 7,355,691.75

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Solution

The fourth proportional to 13,235,809.78, 18,265,861.02 and 7,355,691.75 is: 10,151,101.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,235,809.78 : 18,265,861.02 = 7,355,691.75 : x
  2. Step 2: Convert to fraction form
    13,235,809.78/18,265,861.02 = 7,355,691.75/x
  3. Step 3: Cross multiply
    13,235,809.78x = 18,265,861.02 × 7,355,691.75
  4. Step 4: Simplify right side
    13,235,809.78x = 134,358,043,245,481.44
  5. Step 5: Solve for x
    x = 134,358,043,245,481.44/13,235,809.78
  6. Step 6: Final answer
    x = 10,151,101.11

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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.