Home / 12,184,490.70-18,276,736.05-12,100,509.90

Finding the Fourth Proportional to 12,184,490.70, 18,276,736.05 and 12,100,509.90

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Solution

The fourth proportional to 12,184,490.70, 18,276,736.05 and 12,100,509.90 is: 18,150,764.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,184,490.70 : 18,276,736.05 = 12,100,509.90 : x
  2. Step 2: Convert to fraction form
    12,184,490.70/18,276,736.05 = 12,100,509.90/x
  3. Step 3: Cross multiply
    12,184,490.70x = 18,276,736.05 × 12,100,509.90
  4. Step 4: Simplify right side
    12,184,490.70x = 221,157,825,512,711.91
  5. Step 5: Solve for x
    x = 221,157,825,512,711.91/12,184,490.70
  6. Step 6: Final answer
    x = 18,150,764.85

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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.