Home / 11,985,927.05-17,979,056.52-3,898,944.96

Finding the Fourth Proportional to 11,985,927.05, 17,979,056.52 and 3,898,944.96

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Solution

The fourth proportional to 11,985,927.05, 17,979,056.52 and 3,898,944.96 is: 5,848,471.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,985,927.05 : 17,979,056.52 = 3,898,944.96 : x
  2. Step 2: Convert to fraction form
    11,985,927.05/17,979,056.52 = 3,898,944.96/x
  3. Step 3: Cross multiply
    11,985,927.05x = 17,979,056.52 × 3,898,944.96
  4. Step 4: Simplify right side
    11,985,927.05x = 70,099,351,804,209.14
  5. Step 5: Solve for x
    x = 70,099,351,804,209.14/11,985,927.05
  6. Step 6: Final answer
    x = 5,848,471.42

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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.