Home / 12,184,493.70-18,276,740.55-12,100,512.90

Finding the Fourth Proportional to 12,184,493.70, 18,276,740.55 and 12,100,512.90

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Solution

The fourth proportional to 12,184,493.70, 18,276,740.55 and 12,100,512.90 is: 18,150,769.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,184,493.70 : 18,276,740.55 = 12,100,512.90 : x
  2. Step 2: Convert to fraction form
    12,184,493.70/18,276,740.55 = 12,100,512.90/x
  3. Step 3: Cross multiply
    12,184,493.70x = 18,276,740.55 × 12,100,512.90
  4. Step 4: Simplify right side
    12,184,493.70x = 221,157,934,795,228.12
  5. Step 5: Solve for x
    x = 221,157,934,795,228.12/12,184,493.70
  6. Step 6: Final answer
    x = 18,150,769.35

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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.