Home / 29,160,141.20-43,740,211.80-9,989,190.80

Finding the Fourth Proportional to 29,160,141.20, 43,740,211.80 and 9,989,190.80

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Solution

The fourth proportional to 29,160,141.20, 43,740,211.80 and 9,989,190.80 is: 14,983,786.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,160,141.20 : 43,740,211.80 = 9,989,190.80 : x
  2. Step 2: Convert to fraction form
    29,160,141.20/43,740,211.80 = 9,989,190.80/x
  3. Step 3: Cross multiply
    29,160,141.20x = 43,740,211.80 × 9,989,190.80
  4. Step 4: Simplify right side
    29,160,141.20x = 436,929,321,302,611.44
  5. Step 5: Solve for x
    x = 436,929,321,302,611.44/29,160,141.20
  6. Step 6: Final answer
    x = 14,983,786.20

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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.