Home / 11,985,924.80-17,979,053.14-3,898,942.71

Finding the Fourth Proportional to 11,985,924.80, 17,979,053.14 and 3,898,942.71

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Solution

The fourth proportional to 11,985,924.80, 17,979,053.14 and 3,898,942.71 is: 5,848,468.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,985,924.80 : 17,979,053.14 = 3,898,942.71 : x
  2. Step 2: Convert to fraction form
    11,985,924.80/17,979,053.14 = 3,898,942.71/x
  3. Step 3: Cross multiply
    11,985,924.80x = 17,979,053.14 × 3,898,942.71
  4. Step 4: Simplify right side
    11,985,924.80x = 70,099,298,163,158.25
  5. Step 5: Solve for x
    x = 70,099,298,163,158.25/11,985,924.80
  6. Step 6: Final answer
    x = 5,848,468.05

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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.