Home / 8,179,970.64-11,288,438.46-4,509,029.04

Finding the Fourth Proportional to 8,179,970.64, 11,288,438.46 and 4,509,029.04

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Solution

The fourth proportional to 8,179,970.64, 11,288,438.46 and 4,509,029.04 is: 6,222,503.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179,970.64 : 11,288,438.46 = 4,509,029.04 : x
  2. Step 2: Convert to fraction form
    8,179,970.64/11,288,438.46 = 4,509,029.04/x
  3. Step 3: Cross multiply
    8,179,970.64x = 11,288,438.46 × 4,509,029.04
  4. Step 4: Simplify right side
    8,179,970.64x = 50,899,896,832,392.88
  5. Step 5: Solve for x
    x = 50,899,896,832,392.88/8,179,970.64
  6. Step 6: Final answer
    x = 6,222,503.61

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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.