Home / 13,310,041.10-18,367,856.73-7,198,469.60

Finding the Fourth Proportional to 13,310,041.10, 18,367,856.73 and 7,198,469.60

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Solution

The fourth proportional to 13,310,041.10, 18,367,856.73 and 7,198,469.60 is: 9,933,888.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310,041.10 : 18,367,856.73 = 7,198,469.60 : x
  2. Step 2: Convert to fraction form
    13,310,041.10/18,367,856.73 = 7,198,469.60/x
  3. Step 3: Cross multiply
    13,310,041.10x = 18,367,856.73 × 7,198,469.60
  4. Step 4: Simplify right side
    13,310,041.10x = 132,220,458,196,221.12
  5. Step 5: Solve for x
    x = 132,220,458,196,221.12/13,310,041.10
  6. Step 6: Final answer
    x = 9,933,888.05

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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.