Home / 11,810,747.86-16,298,832.28-6,378,239.86

Finding the Fourth Proportional to 11,810,747.86, 16,298,832.28 and 6,378,239.86

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Solution

The fourth proportional to 11,810,747.86, 16,298,832.28 and 6,378,239.86 is: 8,801,971.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,810,747.86 : 16,298,832.28 = 6,378,239.86 : x
  2. Step 2: Convert to fraction form
    11,810,747.86/16,298,832.28 = 6,378,239.86/x
  3. Step 3: Cross multiply
    11,810,747.86x = 16,298,832.28 × 6,378,239.86
  4. Step 4: Simplify right side
    11,810,747.86x = 103,957,861,663,058
  5. Step 5: Solve for x
    x = 103,957,861,663,058/11,810,747.86
  6. Step 6: Final answer
    x = 8,801,971.13

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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.