Home / 12,171,438-16,797,109.32-6,738,930

Finding the Fourth Proportional to 12,171,438, 16,797,109.32 and 6,738,930

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Solution

The fourth proportional to 12,171,438, 16,797,109.32 and 6,738,930 is: 9,300,014.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,171,438 : 16,797,109.32 = 6,738,930 : x
  2. Step 2: Convert to fraction form
    12,171,438/16,797,109.32 = 6,738,930/x
  3. Step 3: Cross multiply
    12,171,438x = 16,797,109.32 × 6,738,930
  4. Step 4: Simplify right side
    12,171,438x = 113,194,543,909,827.61
  5. Step 5: Solve for x
    x = 113,194,543,909,827.61/12,171,438
  6. Step 6: Final answer
    x = 9,300,014.01

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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.