Home / 6,518,015.40-9,787,520.70-4,922,380.20

Finding the Fourth Proportional to 6,518,015.40, 9,787,520.70 and 4,922,380.20

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Solution

The fourth proportional to 6,518,015.40, 9,787,520.70 and 4,922,380.20 is: 7,391,498.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518,015.40 : 9,787,520.70 = 4,922,380.20 : x
  2. Step 2: Convert to fraction form
    6,518,015.40/9,787,520.70 = 4,922,380.20/x
  3. Step 3: Cross multiply
    6,518,015.40x = 9,787,520.70 × 4,922,380.20
  4. Step 4: Simplify right side
    6,518,015.40x = 48,177,898,100,770.14
  5. Step 5: Solve for x
    x = 48,177,898,100,770.14/6,518,015.40
  6. Step 6: Final answer
    x = 7,391,498.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.