Home / 12,728,183.42-17,564,556.20-6,926,840.30

Finding the Fourth Proportional to 12,728,183.42, 17,564,556.20 and 6,926,840.30

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Solution

The fourth proportional to 12,728,183.42, 17,564,556.20 and 6,926,840.30 is: 9,558,856.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,728,183.42 : 17,564,556.20 = 6,926,840.30 : x
  2. Step 2: Convert to fraction form
    12,728,183.42/17,564,556.20 = 6,926,840.30/x
  3. Step 3: Cross multiply
    12,728,183.42x = 17,564,556.20 × 6,926,840.30
  4. Step 4: Simplify right side
    12,728,183.42x = 121,666,875,737,774.86
  5. Step 5: Solve for x
    x = 121,666,875,737,774.86/12,728,183.42
  6. Step 6: Final answer
    x = 9,558,856.26

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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.