Home / 18,670,667.06-27,990,026.14-7,164,391.22

Finding the Fourth Proportional to 18,670,667.06, 27,990,026.14 and 7,164,391.22

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Solution

The fourth proportional to 18,670,667.06, 27,990,026.14 and 7,164,391.22 is: 10,740,457.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,670,667.06 : 27,990,026.14 = 7,164,391.22 : x
  2. Step 2: Convert to fraction form
    18,670,667.06/27,990,026.14 = 7,164,391.22/x
  3. Step 3: Cross multiply
    18,670,667.06x = 27,990,026.14 × 7,164,391.22
  4. Step 4: Simplify right side
    18,670,667.06x = 200,531,497,524,986.50
  5. Step 5: Solve for x
    x = 200,531,497,524,986.50/18,670,667.06
  6. Step 6: Final answer
    x = 10,740,457.04

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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.