Home / 21,397,311.57-29,528,289.99-12,230,151.15

Finding the Fourth Proportional to 21,397,311.57, 29,528,289.99 and 12,230,151.15

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Solution

The fourth proportional to 21,397,311.57, 29,528,289.99 and 12,230,151.15 is: 16,877,608.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,397,311.57 : 29,528,289.99 = 12,230,151.15 : x
  2. Step 2: Convert to fraction form
    21,397,311.57/29,528,289.99 = 12,230,151.15/x
  3. Step 3: Cross multiply
    21,397,311.57x = 29,528,289.99 × 12,230,151.15
  4. Step 4: Simplify right side
    21,397,311.57x = 361,135,449,889,463.06
  5. Step 5: Solve for x
    x = 361,135,449,889,463.06/21,397,311.57
  6. Step 6: Final answer
    x = 16,877,608.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.