Home / 12,662,680.35-18,994,027.62-8,892,992.19

Finding the Fourth Proportional to 12,662,680.35, 18,994,027.62 and 8,892,992.19

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Solution

The fourth proportional to 12,662,680.35, 18,994,027.62 and 8,892,992.19 is: 13,339,493.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,662,680.35 : 18,994,027.62 = 8,892,992.19 : x
  2. Step 2: Convert to fraction form
    12,662,680.35/18,994,027.62 = 8,892,992.19/x
  3. Step 3: Cross multiply
    12,662,680.35x = 18,994,027.62 × 8,892,992.19
  4. Step 4: Simplify right side
    12,662,680.35x = 168,913,739,281,304.28
  5. Step 5: Solve for x
    x = 168,913,739,281,304.28/12,662,680.35
  6. Step 6: Final answer
    x = 13,339,493.27

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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.