Home / 6,313,755.46-8,715,351.90-4,138,438.72

Finding the Fourth Proportional to 6,313,755.46, 8,715,351.90 and 4,138,438.72

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Solution

The fourth proportional to 6,313,755.46, 8,715,351.90 and 4,138,438.72 is: 5,712,598.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,313,755.46 : 8,715,351.90 = 4,138,438.72 : x
  2. Step 2: Convert to fraction form
    6,313,755.46/8,715,351.90 = 4,138,438.72/x
  3. Step 3: Cross multiply
    6,313,755.46x = 8,715,351.90 × 4,138,438.72
  4. Step 4: Simplify right side
    6,313,755.46x = 36,067,949,761,385.57
  5. Step 5: Solve for x
    x = 36,067,949,761,385.57/6,313,755.46
  6. Step 6: Final answer
    x = 5,712,598.47

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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.