Home / 7,771,279.40-11,656,919.10-5,503,797.80

Finding the Fourth Proportional to 7,771,279.40, 11,656,919.10 and 5,503,797.80

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Solution

The fourth proportional to 7,771,279.40, 11,656,919.10 and 5,503,797.80 is: 8,255,696.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,771,279.40 : 11,656,919.10 = 5,503,797.80 : x
  2. Step 2: Convert to fraction form
    7,771,279.40/11,656,919.10 = 5,503,797.80/x
  3. Step 3: Cross multiply
    7,771,279.40x = 11,656,919.10 × 5,503,797.80
  4. Step 4: Simplify right side
    7,771,279.40x = 64,157,325,697,357.98
  5. Step 5: Solve for x
    x = 64,157,325,697,357.98/7,771,279.40
  6. Step 6: Final answer
    x = 8,255,696.70

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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.