Home / 13,125,902.59-18,113,749.14-7,245,540.37

Finding the Fourth Proportional to 13,125,902.59, 18,113,749.14 and 7,245,540.37

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Solution

The fourth proportional to 13,125,902.59, 18,113,749.14 and 7,245,540.37 is: 9,998,847.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,125,902.59 : 18,113,749.14 = 7,245,540.37 : x
  2. Step 2: Convert to fraction form
    13,125,902.59/18,113,749.14 = 7,245,540.37/x
  3. Step 3: Cross multiply
    13,125,902.59x = 18,113,749.14 × 7,245,540.37
  4. Step 4: Simplify right side
    13,125,902.59x = 131,243,900,645,922.78
  5. Step 5: Solve for x
    x = 131,243,900,645,922.78/13,125,902.59
  6. Step 6: Final answer
    x = 9,998,847.68

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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.