Home / 18,489,384.62-27,680,111.49-10,789,433.90

Finding the Fourth Proportional to 18,489,384.62, 27,680,111.49 and 10,789,433.90

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Solution

The fourth proportional to 18,489,384.62, 27,680,111.49 and 10,789,433.90 is: 16,152,659.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,489,384.62 : 27,680,111.49 = 10,789,433.90 : x
  2. Step 2: Convert to fraction form
    18,489,384.62/27,680,111.49 = 10,789,433.90/x
  3. Step 3: Cross multiply
    18,489,384.62x = 27,680,111.49 × 10,789,433.90
  4. Step 4: Simplify right side
    18,489,384.62x = 298,652,733,362,159.38
  5. Step 5: Solve for x
    x = 298,652,733,362,159.38/18,489,384.62
  6. Step 6: Final answer
    x = 16,152,659.46

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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.