Home / 7,183,211.14-9,913,040.31-3,920,235.76

Finding the Fourth Proportional to 7,183,211.14, 9,913,040.31 and 3,920,235.76

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Solution

The fourth proportional to 7,183,211.14, 9,913,040.31 and 3,920,235.76 is: 5,410,039.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,183,211.14 : 9,913,040.31 = 3,920,235.76 : x
  2. Step 2: Convert to fraction form
    7,183,211.14/9,913,040.31 = 3,920,235.76/x
  3. Step 3: Cross multiply
    7,183,211.14x = 9,913,040.31 × 3,920,235.76
  4. Step 4: Simplify right side
    7,183,211.14x = 38,861,455,113,583.48
  5. Step 5: Solve for x
    x = 38,861,455,113,583.48/7,183,211.14
  6. Step 6: Final answer
    x = 5,410,039.38

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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.