Home / 12,326,995.62-18,493,015.35-4,238,920.82

Finding the Fourth Proportional to 12,326,995.62, 18,493,015.35 and 4,238,920.82

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Solution

The fourth proportional to 12,326,995.62, 18,493,015.35 and 4,238,920.82 is: 6,359,248.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,326,995.62 : 18,493,015.35 = 4,238,920.82 : x
  2. Step 2: Convert to fraction form
    12,326,995.62/18,493,015.35 = 4,238,920.82/x
  3. Step 3: Cross multiply
    12,326,995.62x = 18,493,015.35 × 4,238,920.82
  4. Step 4: Simplify right side
    12,326,995.62x = 78,390,427,699,229.53
  5. Step 5: Solve for x
    x = 78,390,427,699,229.53/12,326,995.62
  6. Step 6: Final answer
    x = 6,359,248.44

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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.