Home / 13,309,856.60-18,367,614.45-7,198,285.10

Finding the Fourth Proportional to 13,309,856.60, 18,367,614.45 and 7,198,285.10

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Solution

The fourth proportional to 13,309,856.60, 18,367,614.45 and 7,198,285.10 is: 9,933,640.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309,856.60 : 18,367,614.45 = 7,198,285.10 : x
  2. Step 2: Convert to fraction form
    13,309,856.60/18,367,614.45 = 7,198,285.10/x
  3. Step 3: Cross multiply
    13,309,856.60x = 18,367,614.45 × 7,198,285.10
  4. Step 4: Simplify right side
    13,309,856.60x = 132,215,325,417,979.69
  5. Step 5: Solve for x
    x = 132,215,325,417,979.69/13,309,856.60
  6. Step 6: Final answer
    x = 9,933,640.11

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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.