Home / 18,039,215.07-27,056,960.67-12,240,632.40

Finding the Fourth Proportional to 18,039,215.07, 27,056,960.67 and 12,240,632.40

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Solution

The fourth proportional to 18,039,215.07, 27,056,960.67 and 12,240,632.40 is: 18,359,685.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,039,215.07 : 27,056,960.67 = 12,240,632.40 : x
  2. Step 2: Convert to fraction form
    18,039,215.07/27,056,960.67 = 12,240,632.40/x
  3. Step 3: Cross multiply
    18,039,215.07x = 27,056,960.67 × 12,240,632.40
  4. Step 4: Simplify right side
    18,039,215.07x = 331,194,309,422,727.75
  5. Step 5: Solve for x
    x = 331,194,309,422,727.75/18,039,215.07
  6. Step 6: Final answer
    x = 18,359,685.17

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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.