Home / 14,980,287.43-20,672,789.65-8,455,285.45

Finding the Fourth Proportional to 14,980,287.43, 20,672,789.65 and 8,455,285.45

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Solution

The fourth proportional to 14,980,287.43, 20,672,789.65 and 8,455,285.45 is: 11,668,289.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,980,287.43 : 20,672,789.65 = 8,455,285.45 : x
  2. Step 2: Convert to fraction form
    14,980,287.43/20,672,789.65 = 8,455,285.45/x
  3. Step 3: Cross multiply
    14,980,287.43x = 20,672,789.65 × 8,455,285.45
  4. Step 4: Simplify right side
    14,980,287.43x = 174,794,337,538,555.56
  5. Step 5: Solve for x
    x = 174,794,337,538,555.56/14,980,287.43
  6. Step 6: Final answer
    x = 11,668,289.97

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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.