Home / 13,319,297.22-18,380,629.98-7,207,725.72

Finding the Fourth Proportional to 13,319,297.22, 18,380,629.98 and 7,207,725.72

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Solution

The fourth proportional to 13,319,297.22, 18,380,629.98 and 7,207,725.72 is: 9,946,661.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,319,297.22 : 18,380,629.98 = 7,207,725.72 : x
  2. Step 2: Convert to fraction form
    13,319,297.22/18,380,629.98 = 7,207,725.72/x
  3. Step 3: Cross multiply
    13,319,297.22x = 18,380,629.98 × 7,207,725.72
  4. Step 4: Simplify right side
    13,319,297.22x = 132,482,539,456,649.08
  5. Step 5: Solve for x
    x = 132,482,539,456,649.08/13,319,297.22
  6. Step 6: Final answer
    x = 9,946,661.39

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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.