Home / 22,142,207.70-33,213,311.55-7,781,490.90

Finding the Fourth Proportional to 22,142,207.70, 33,213,311.55 and 7,781,490.90

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Solution

The fourth proportional to 22,142,207.70, 33,213,311.55 and 7,781,490.90 is: 11,672,236.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,142,207.70 : 33,213,311.55 = 7,781,490.90 : x
  2. Step 2: Convert to fraction form
    22,142,207.70/33,213,311.55 = 7,781,490.90/x
  3. Step 3: Cross multiply
    22,142,207.70x = 33,213,311.55 × 7,781,490.90
  4. Step 4: Simplify right side
    22,142,207.70x = 258,449,081,585,189.91
  5. Step 5: Solve for x
    x = 258,449,081,585,189.91/22,142,207.70
  6. Step 6: Final answer
    x = 11,672,236.35

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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.