Home / 6,520,121.10-9,780,181.65-5,722,959.60

Finding the Fourth Proportional to 6,520,121.10, 9,780,181.65 and 5,722,959.60

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Solution

The fourth proportional to 6,520,121.10, 9,780,181.65 and 5,722,959.60 is: 8,584,439.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520,121.10 : 9,780,181.65 = 5,722,959.60 : x
  2. Step 2: Convert to fraction form
    6,520,121.10/9,780,181.65 = 5,722,959.60/x
  3. Step 3: Cross multiply
    6,520,121.10x = 9,780,181.65 × 5,722,959.60
  4. Step 4: Simplify right side
    6,520,121.10x = 55,971,584,463,611.34
  5. Step 5: Solve for x
    x = 55,971,584,463,611.34/6,520,121.10
  6. Step 6: Final answer
    x = 8,584,439.40

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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.