Home / 12,617,724.89-18,927,012.59-3,520,044.65

Finding the Fourth Proportional to 12,617,724.89, 18,927,012.59 and 3,520,044.65

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Solution

The fourth proportional to 12,617,724.89, 18,927,012.59 and 3,520,044.65 is: 5,280,185.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,617,724.89 : 18,927,012.59 = 3,520,044.65 : x
  2. Step 2: Convert to fraction form
    12,617,724.89/18,927,012.59 = 3,520,044.65/x
  3. Step 3: Cross multiply
    12,617,724.89x = 18,927,012.59 × 3,520,044.65
  4. Step 4: Simplify right side
    12,617,724.89x = 66,623,929,407,912.14
  5. Step 5: Solve for x
    x = 66,623,929,407,912.14/12,617,724.89
  6. Step 6: Final answer
    x = 5,280,185.61

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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.