Home / 18,489,369.06-27,680,088.15-10,789,418.34

Finding the Fourth Proportional to 18,489,369.06, 27,680,088.15 and 10,789,418.34

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Solution

The fourth proportional to 18,489,369.06, 27,680,088.15 and 10,789,418.34 is: 16,152,636.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,489,369.06 : 27,680,088.15 = 10,789,418.34 : x
  2. Step 2: Convert to fraction form
    18,489,369.06/27,680,088.15 = 10,789,418.34/x
  3. Step 3: Cross multiply
    18,489,369.06x = 27,680,088.15 × 10,789,418.34
  4. Step 4: Simplify right side
    18,489,369.06x = 298,652,050,738,426.62
  5. Step 5: Solve for x
    x = 298,652,050,738,426.62/18,489,369.06
  6. Step 6: Final answer
    x = 16,152,636.13

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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.