Home / 11,859,639.20-17,806,047.60-7,380,663.20

Finding the Fourth Proportional to 11,859,639.20, 17,806,047.60 and 7,380,663.20

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Solution

The fourth proportional to 11,859,639.20, 17,806,047.60 and 7,380,663.20 is: 11,081,318.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,859,639.20 : 17,806,047.60 = 7,380,663.20 : x
  2. Step 2: Convert to fraction form
    11,859,639.20/17,806,047.60 = 7,380,663.20/x
  3. Step 3: Cross multiply
    11,859,639.20x = 17,806,047.60 × 7,380,663.20
  4. Step 4: Simplify right side
    11,859,639.20x = 131,420,440,258,768.33
  5. Step 5: Solve for x
    x = 131,420,440,258,768.33/11,859,639.20
  6. Step 6: Final answer
    x = 11,081,318.58

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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.