Home / 7,859,971.35-11,789,957.04-2,180,195.67

Finding the Fourth Proportional to 7,859,971.35, 11,789,957.04 and 2,180,195.67

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Solution

The fourth proportional to 7,859,971.35, 11,789,957.04 and 2,180,195.67 is: 3,270,293.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,859,971.35 : 11,789,957.04 = 2,180,195.67 : x
  2. Step 2: Convert to fraction form
    7,859,971.35/11,789,957.04 = 2,180,195.67/x
  3. Step 3: Cross multiply
    7,859,971.35x = 11,789,957.04 × 2,180,195.67
  4. Step 4: Simplify right side
    7,859,971.35x = 25,704,413,288,094.02
  5. Step 5: Solve for x
    x = 25,704,413,288,094.02/7,859,971.35
  6. Step 6: Final answer
    x = 3,270,293.51

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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.