Home / 6,400,639.38-8,825,699.37-4,073,846.34

Finding the Fourth Proportional to 6,400,639.38, 8,825,699.37 and 4,073,846.34

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Solution

The fourth proportional to 6,400,639.38, 8,825,699.37 and 4,073,846.34 is: 5,617,336.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,400,639.38 : 8,825,699.37 = 4,073,846.34 : x
  2. Step 2: Convert to fraction form
    6,400,639.38/8,825,699.37 = 4,073,846.34/x
  3. Step 3: Cross multiply
    6,400,639.38x = 8,825,699.37 × 4,073,846.34
  4. Step 4: Simplify right side
    6,400,639.38x = 35,954,543,076,414.80
  5. Step 5: Solve for x
    x = 35,954,543,076,414.80/6,400,639.38
  6. Step 6: Final answer
    x = 5,617,336.17

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1.5x scale

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.