Home / 7,515,794.80-11,273,692.20-6,439,626.78

Finding the Fourth Proportional to 7,515,794.80, 11,273,692.20 and 6,439,626.78

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Solution

The fourth proportional to 7,515,794.80, 11,273,692.20 and 6,439,626.78 is: 9,659,440.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515,794.80 : 11,273,692.20 = 6,439,626.78 : x
  2. Step 2: Convert to fraction form
    7,515,794.80/11,273,692.20 = 6,439,626.78/x
  3. Step 3: Cross multiply
    7,515,794.80x = 11,273,692.20 × 6,439,626.78
  4. Step 4: Simplify right side
    7,515,794.80x = 72,598,370,200,597.11
  5. Step 5: Solve for x
    x = 72,598,370,200,597.11/7,515,794.80
  6. Step 6: Final answer
    x = 9,659,440.17

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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.