Home / 13,070,905.92-18,036,468.18-7,268,749.56

Finding the Fourth Proportional to 13,070,905.92, 18,036,468.18 and 7,268,749.56

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Solution

The fourth proportional to 13,070,905.92, 18,036,468.18 and 7,268,749.56 is: 10,030,105.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,070,905.92 : 18,036,468.18 = 7,268,749.56 : x
  2. Step 2: Convert to fraction form
    13,070,905.92/18,036,468.18 = 7,268,749.56/x
  3. Step 3: Cross multiply
    13,070,905.92x = 18,036,468.18 × 7,268,749.56
  4. Step 4: Simplify right side
    13,070,905.92x = 131,102,570,147,328.98
  5. Step 5: Solve for x
    x = 131,102,570,147,328.98/13,070,905.92
  6. Step 6: Final answer
    x = 10,030,105.87

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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.