Home / 16,470,121.25-22,728,766.87-9,129,057.30

Finding the Fourth Proportional to 16,470,121.25, 22,728,766.87 and 9,129,057.30

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Solution

The fourth proportional to 16,470,121.25, 22,728,766.87 and 9,129,057.30 is: 12,598,098.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,470,121.25 : 22,728,766.87 = 9,129,057.30 : x
  2. Step 2: Convert to fraction form
    16,470,121.25/22,728,766.87 = 9,129,057.30/x
  3. Step 3: Cross multiply
    16,470,121.25x = 22,728,766.87 × 9,129,057.30
  4. Step 4: Simplify right side
    16,470,121.25x = 207,492,215,114,571.69
  5. Step 5: Solve for x
    x = 207,492,215,114,571.69/16,470,121.25
  6. Step 6: Final answer
    x = 12,598,098.82

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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.