Home / 10,981,359.08-16,448,865.66-8,810,631.72

Finding the Fourth Proportional to 10,981,359.08, 16,448,865.66 and 8,810,631.72

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Solution

The fourth proportional to 10,981,359.08, 16,448,865.66 and 8,810,631.72 is: 13,197,355.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,981,359.08 : 16,448,865.66 = 8,810,631.72 : x
  2. Step 2: Convert to fraction form
    10,981,359.08/16,448,865.66 = 8,810,631.72/x
  3. Step 3: Cross multiply
    10,981,359.08x = 16,448,865.66 × 8,810,631.72
  4. Step 4: Simplify right side
    10,981,359.08x = 144,924,897,542,014.75
  5. Step 5: Solve for x
    x = 144,924,897,542,014.75/10,981,359.08
  6. Step 6: Final answer
    x = 13,197,355.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.