Home / 7,279,619.80-10,919,429.70-4,890,832.60

Finding the Fourth Proportional to 7,279,619.80, 10,919,429.70 and 4,890,832.60

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Solution

The fourth proportional to 7,279,619.80, 10,919,429.70 and 4,890,832.60 is: 7,336,248.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279,619.80 : 10,919,429.70 = 4,890,832.60 : x
  2. Step 2: Convert to fraction form
    7,279,619.80/10,919,429.70 = 4,890,832.60/x
  3. Step 3: Cross multiply
    7,279,619.80x = 10,919,429.70 × 4,890,832.60
  4. Step 4: Simplify right side
    7,279,619.80x = 53,405,102,750,168.21
  5. Step 5: Solve for x
    x = 53,405,102,750,168.21/7,279,619.80
  6. Step 6: Final answer
    x = 7,336,248.90

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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.