Home / 14,980,286.43-20,672,788.28-8,455,284.45

Finding the Fourth Proportional to 14,980,286.43, 20,672,788.28 and 8,455,284.45

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Solution

The fourth proportional to 14,980,286.43, 20,672,788.28 and 8,455,284.45 is: 11,668,288.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,980,286.43 : 20,672,788.28 = 8,455,284.45 : x
  2. Step 2: Convert to fraction form
    14,980,286.43/20,672,788.28 = 8,455,284.45/x
  3. Step 3: Cross multiply
    14,980,286.43x = 20,672,788.28 × 8,455,284.45
  4. Step 4: Simplify right side
    14,980,286.43x = 174,794,305,239,749.78
  5. Step 5: Solve for x
    x = 174,794,305,239,749.78/14,980,286.43
  6. Step 6: Final answer
    x = 11,668,288.59

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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.