Home / 11,078,747.20-15,291,222.06-6,496,544.80

Finding the Fourth Proportional to 11,078,747.20, 15,291,222.06 and 6,496,544.80

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Solution

The fourth proportional to 11,078,747.20, 15,291,222.06 and 6,496,544.80 is: 8,966,727.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,078,747.20 : 15,291,222.06 = 6,496,544.80 : x
  2. Step 2: Convert to fraction form
    11,078,747.20/15,291,222.06 = 6,496,544.80/x
  3. Step 3: Cross multiply
    11,078,747.20x = 15,291,222.06 × 6,496,544.80
  4. Step 4: Simplify right side
    11,078,747.20x = 99,340,109,159,538.28
  5. Step 5: Solve for x
    x = 99,340,109,159,538.28/11,078,747.20
  6. Step 6: Final answer
    x = 8,966,727.68

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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.