Home / 19,008,028.20-28,512,042.30-18,630,114.60

Finding the Fourth Proportional to 19,008,028.20, 28,512,042.30 and 18,630,114.60

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Solution

The fourth proportional to 19,008,028.20, 28,512,042.30 and 18,630,114.60 is: 27,945,171.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008,028.20 : 28,512,042.30 = 18,630,114.60 : x
  2. Step 2: Convert to fraction form
    19,008,028.20/28,512,042.30 = 18,630,114.60/x
  3. Step 3: Cross multiply
    19,008,028.20x = 28,512,042.30 × 18,630,114.60
  4. Step 4: Simplify right side
    19,008,028.20x = 531,182,615,529,047.62
  5. Step 5: Solve for x
    x = 531,182,615,529,047.62/19,008,028.20
  6. Step 6: Final answer
    x = 27,945,171.90

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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.