Home / 10,010,452.20-15,015,678.30-3,621,690.60

Finding the Fourth Proportional to 10,010,452.20, 15,015,678.30 and 3,621,690.60

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Solution

The fourth proportional to 10,010,452.20, 15,015,678.30 and 3,621,690.60 is: 5,432,535.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,010,452.20 : 15,015,678.30 = 3,621,690.60 : x
  2. Step 2: Convert to fraction form
    10,010,452.20/15,015,678.30 = 3,621,690.60/x
  3. Step 3: Cross multiply
    10,010,452.20x = 15,015,678.30 × 3,621,690.60
  4. Step 4: Simplify right side
    10,010,452.20x = 54,382,140,951,733.98
  5. Step 5: Solve for x
    x = 54,382,140,951,733.98/10,010,452.20
  6. Step 6: Final answer
    x = 5,432,535.90

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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.