Home / 6,427,809.45-8,870,371.56-3,527,382.51

Finding the Fourth Proportional to 6,427,809.45, 8,870,371.56 and 3,527,382.51

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Solution

The fourth proportional to 6,427,809.45, 8,870,371.56 and 3,527,382.51 is: 4,867,784.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,427,809.45 : 8,870,371.56 = 3,527,382.51 : x
  2. Step 2: Convert to fraction form
    6,427,809.45/8,870,371.56 = 3,527,382.51/x
  3. Step 3: Cross multiply
    6,427,809.45x = 8,870,371.56 × 3,527,382.51
  4. Step 4: Simplify right side
    6,427,809.45x = 31,289,193,497,945.41
  5. Step 5: Solve for x
    x = 31,289,193,497,945.41/6,427,809.45
  6. Step 6: Final answer
    x = 4,867,784.86

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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.