Home / 29,120,116.20-43,680,174.30-9,947,999.40

Finding the Fourth Proportional to 29,120,116.20, 43,680,174.30 and 9,947,999.40

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Solution

The fourth proportional to 29,120,116.20, 43,680,174.30 and 9,947,999.40 is: 14,921,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,120,116.20 : 43,680,174.30 = 9,947,999.40 : x
  2. Step 2: Convert to fraction form
    29,120,116.20/43,680,174.30 = 9,947,999.40/x
  3. Step 3: Cross multiply
    29,120,116.20x = 43,680,174.30 × 9,947,999.40
  4. Step 4: Simplify right side
    29,120,116.20x = 434,530,347,728,295.44
  5. Step 5: Solve for x
    x = 434,530,347,728,295.44/29,120,116.20
  6. Step 6: Final answer
    x = 14,921,999.10

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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.