Home / 13,410,338.10-18,505,719.60-7,608,994.98

Finding the Fourth Proportional to 13,410,338.10, 18,505,719.60 and 7,608,994.98

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Solution

The fourth proportional to 13,410,338.10, 18,505,719.60 and 7,608,994.98 is: 10,500,102.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,410,338.10 : 18,505,719.60 = 7,608,994.98 : x
  2. Step 2: Convert to fraction form
    13,410,338.10/18,505,719.60 = 7,608,994.98/x
  3. Step 3: Cross multiply
    13,410,338.10x = 18,505,719.60 × 7,608,994.98
  4. Step 4: Simplify right side
    13,410,338.10x = 140,809,927,537,687.62
  5. Step 5: Solve for x
    x = 140,809,927,537,687.62/13,410,338.10
  6. Step 6: Final answer
    x = 10,500,102.72

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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.