Home / 7,183,243.20-9,913,084.48-3,920,267.76

Finding the Fourth Proportional to 7,183,243.20, 9,913,084.48 and 3,920,267.76

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Solution

The fourth proportional to 7,183,243.20, 9,913,084.48 and 3,920,267.76 is: 5,410,083.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,183,243.20 : 9,913,084.48 = 3,920,267.76 : x
  2. Step 2: Convert to fraction form
    7,183,243.20/9,913,084.48 = 3,920,267.76/x
  3. Step 3: Cross multiply
    7,183,243.20x = 9,913,084.48 × 3,920,267.76
  4. Step 4: Simplify right side
    7,183,243.20x = 38,861,945,489,100.37
  5. Step 5: Solve for x
    x = 38,861,945,489,100.37/7,183,243.20
  6. Step 6: Final answer
    x = 5,410,083.50

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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.