Home / 14,255,998.20-21,383,997.30-8,870,729.40

Finding the Fourth Proportional to 14,255,998.20, 21,383,997.30 and 8,870,729.40

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Solution

The fourth proportional to 14,255,998.20, 21,383,997.30 and 8,870,729.40 is: 13,306,094.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,255,998.20 : 21,383,997.30 = 8,870,729.40 : x
  2. Step 2: Convert to fraction form
    14,255,998.20/21,383,997.30 = 8,870,729.40/x
  3. Step 3: Cross multiply
    14,255,998.20x = 21,383,997.30 × 8,870,729.40
  4. Step 4: Simplify right side
    14,255,998.20x = 189,691,653,538,630.62
  5. Step 5: Solve for x
    x = 189,691,653,538,630.62/14,255,998.20
  6. Step 6: Final answer
    x = 13,306,094.10

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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.