Home / 11,078,767.30-15,291,249.78-6,496,564.90

Finding the Fourth Proportional to 11,078,767.30, 15,291,249.78 and 6,496,564.90

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Solution

The fourth proportional to 11,078,767.30, 15,291,249.78 and 6,496,564.90 is: 8,966,755.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,078,767.30 : 15,291,249.78 = 6,496,564.90 : x
  2. Step 2: Convert to fraction form
    11,078,767.30/15,291,249.78 = 6,496,564.90/x
  3. Step 3: Cross multiply
    11,078,767.30x = 15,291,249.78 × 6,496,564.90
  4. Step 4: Simplify right side
    11,078,767.30x = 99,340,596,597,880.72
  5. Step 5: Solve for x
    x = 99,340,596,597,880.72/11,078,767.30
  6. Step 6: Final answer
    x = 8,966,755.41

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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.