Home / 12,619,178.80-18,924,102.60-4,099,793.20

Finding the Fourth Proportional to 12,619,178.80, 18,924,102.60 and 4,099,793.20

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Solution

The fourth proportional to 12,619,178.80, 18,924,102.60 and 4,099,793.20 is: 6,148,174.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,619,178.80 : 18,924,102.60 = 4,099,793.20 : x
  2. Step 2: Convert to fraction form
    12,619,178.80/18,924,102.60 = 4,099,793.20/x
  3. Step 3: Cross multiply
    12,619,178.80x = 18,924,102.60 × 4,099,793.20
  4. Step 4: Simplify right side
    12,619,178.80x = 77,584,907,155,582.33
  5. Step 5: Solve for x
    x = 77,584,907,155,582.33/12,619,178.80
  6. Step 6: Final answer
    x = 6,148,174.01

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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.