Home / 20,735,999.70-31,103,999.55-14,631,321.30

Finding the Fourth Proportional to 20,735,999.70, 31,103,999.55 and 14,631,321.30

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Solution

The fourth proportional to 20,735,999.70, 31,103,999.55 and 14,631,321.30 is: 21,946,981.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,735,999.70 : 31,103,999.55 = 14,631,321.30 : x
  2. Step 2: Convert to fraction form
    20,735,999.70/31,103,999.55 = 14,631,321.30/x
  3. Step 3: Cross multiply
    20,735,999.70x = 31,103,999.55 × 14,631,321.30
  4. Step 4: Simplify right side
    20,735,999.70x = 455,092,611,131,105.44
  5. Step 5: Solve for x
    x = 455,092,611,131,105.44/20,735,999.70
  6. Step 6: Final answer
    x = 21,946,981.95

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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.