Home / 6,240,540.60-9,346,814.10-5,120,796.60

Finding the Fourth Proportional to 6,240,540.60, 9,346,814.10 and 5,120,796.60

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Solution

The fourth proportional to 6,240,540.60, 9,346,814.10 and 5,120,796.60 is: 7,669,709.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,240,540.60 : 9,346,814.10 = 5,120,796.60 : x
  2. Step 2: Convert to fraction form
    6,240,540.60/9,346,814.10 = 5,120,796.60/x
  3. Step 3: Cross multiply
    6,240,540.60x = 9,346,814.10 × 5,120,796.60
  4. Step 4: Simplify right side
    6,240,540.60x = 47,863,133,864,112.05
  5. Step 5: Solve for x
    x = 47,863,133,864,112.05/6,240,540.60
  6. Step 6: Final answer
    x = 7,669,709.55

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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.