Home / 12,617,722.89-18,927,009.59-3,520,042.65

Finding the Fourth Proportional to 12,617,722.89, 18,927,009.59 and 3,520,042.65

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Solution

The fourth proportional to 12,617,722.89, 18,927,009.59 and 3,520,042.65 is: 5,280,182.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,617,722.89 : 18,927,009.59 = 3,520,042.65 : x
  2. Step 2: Convert to fraction form
    12,617,722.89/18,927,009.59 = 3,520,042.65/x
  3. Step 3: Cross multiply
    12,617,722.89x = 18,927,009.59 × 3,520,042.65
  4. Step 4: Simplify right side
    12,617,722.89x = 66,623,880,976,158.80
  5. Step 5: Solve for x
    x = 66,623,880,976,158.80/12,617,722.89
  6. Step 6: Final answer
    x = 5,280,182.61

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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.