Home / 20,022,865.88-27,635,876.83-12,184,903.47

Finding the Fourth Proportional to 20,022,865.88, 27,635,876.83 and 12,184,903.47

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Solution

The fourth proportional to 20,022,865.88, 27,635,876.83 and 12,184,903.47 is: 16,817,796.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,022,865.88 : 27,635,876.83 = 12,184,903.47 : x
  2. Step 2: Convert to fraction form
    20,022,865.88/27,635,876.83 = 12,184,903.47/x
  3. Step 3: Cross multiply
    20,022,865.88x = 27,635,876.83 × 12,184,903.47
  4. Step 4: Simplify right side
    20,022,865.88x = 336,740,491,601,225.31
  5. Step 5: Solve for x
    x = 336,740,491,601,225.31/20,022,865.88
  6. Step 6: Final answer
    x = 16,817,796.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.