Home / 19,008,004.20-28,512,006.30-18,630,090.60

Finding the Fourth Proportional to 19,008,004.20, 28,512,006.30 and 18,630,090.60

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Solution

The fourth proportional to 19,008,004.20, 28,512,006.30 and 18,630,090.60 is: 27,945,135.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008,004.20 : 28,512,006.30 = 18,630,090.60 : x
  2. Step 2: Convert to fraction form
    19,008,004.20/28,512,006.30 = 18,630,090.60/x
  3. Step 3: Cross multiply
    19,008,004.20x = 28,512,006.30 × 18,630,090.60
  4. Step 4: Simplify right side
    19,008,004.20x = 531,181,260,556,770.81
  5. Step 5: Solve for x
    x = 531,181,260,556,770.81/19,008,004.20
  6. Step 6: Final answer
    x = 27,945,135.90

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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.