Home / 8,066,359.80-12,099,539.70-7,268,542.20

Finding the Fourth Proportional to 8,066,359.80, 12,099,539.70 and 7,268,542.20

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Solution

The fourth proportional to 8,066,359.80, 12,099,539.70 and 7,268,542.20 is: 10,902,813.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,066,359.80 : 12,099,539.70 = 7,268,542.20 : x
  2. Step 2: Convert to fraction form
    8,066,359.80/12,099,539.70 = 7,268,542.20/x
  3. Step 3: Cross multiply
    8,066,359.80x = 12,099,539.70 × 7,268,542.20
  4. Step 4: Simplify right side
    8,066,359.80x = 87,946,014,910,025.34
  5. Step 5: Solve for x
    x = 87,946,014,910,025.34/8,066,359.80
  6. Step 6: Final answer
    x = 10,902,813.30

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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.