Home / 7,239,326.40-10,858,989.60-4,814,380.80

Finding the Fourth Proportional to 7,239,326.40, 10,858,989.60 and 4,814,380.80

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Solution

The fourth proportional to 7,239,326.40, 10,858,989.60 and 4,814,380.80 is: 7,221,571.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239,326.40 : 10,858,989.60 = 4,814,380.80 : x
  2. Step 2: Convert to fraction form
    7,239,326.40/10,858,989.60 = 4,814,380.80/x
  3. Step 3: Cross multiply
    7,239,326.40x = 10,858,989.60 × 4,814,380.80
  4. Step 4: Simplify right side
    7,239,326.40x = 52,279,311,037,639.68
  5. Step 5: Solve for x
    x = 52,279,311,037,639.68/7,239,326.40
  6. Step 6: Final answer
    x = 7,221,571.20

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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.