Home / 13,310,052.16-18,367,871.94-7,198,480.72

Finding the Fourth Proportional to 13,310,052.16, 18,367,871.94 and 7,198,480.72

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Solution

The fourth proportional to 13,310,052.16, 18,367,871.94 and 7,198,480.72 is: 9,933,903.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310,052.16 : 18,367,871.94 = 7,198,480.72 : x
  2. Step 2: Convert to fraction form
    13,310,052.16/18,367,871.94 = 7,198,480.72/x
  3. Step 3: Cross multiply
    13,310,052.16x = 18,367,871.94 × 7,198,480.72
  4. Step 4: Simplify right side
    13,310,052.16x = 132,220,772,027,519
  5. Step 5: Solve for x
    x = 132,220,772,027,519/13,310,052.16
  6. Step 6: Final answer
    x = 9,933,903.37

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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.