Home / 9,121,809.80-13,682,714.70-8,980,092.20

Finding the Fourth Proportional to 9,121,809.80, 13,682,714.70 and 8,980,092.20

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Solution

The fourth proportional to 9,121,809.80, 13,682,714.70 and 8,980,092.20 is: 13,470,138.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,121,809.80 : 13,682,714.70 = 8,980,092.20 : x
  2. Step 2: Convert to fraction form
    9,121,809.80/13,682,714.70 = 8,980,092.20/x
  3. Step 3: Cross multiply
    9,121,809.80x = 13,682,714.70 × 8,980,092.20
  4. Step 4: Simplify right side
    9,121,809.80x = 122,872,039,552,295.33
  5. Step 5: Solve for x
    x = 122,872,039,552,295.33/9,121,809.80
  6. Step 6: Final answer
    x = 13,470,138.30

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Similar ratio
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1.5x scale

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.