Home / 12,236,458.35-18,338,153.31-4,659,290.67

Finding the Fourth Proportional to 12,236,458.35, 18,338,153.31 and 4,659,290.67

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Solution

The fourth proportional to 12,236,458.35, 18,338,153.31 and 4,659,290.67 is: 6,982,640.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,236,458.35 : 18,338,153.31 = 4,659,290.67 : x
  2. Step 2: Convert to fraction form
    12,236,458.35/18,338,153.31 = 4,659,290.67/x
  3. Step 3: Cross multiply
    12,236,458.35x = 18,338,153.31 × 4,659,290.67
  4. Step 4: Simplify right side
    12,236,458.35x = 85,442,786,622,312.61
  5. Step 5: Solve for x
    x = 85,442,786,622,312.61/12,236,458.35
  6. Step 6: Final answer
    x = 6,982,640.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.