Home / 18,122,110.50-27,169,588.25-10,931,968.38

Finding the Fourth Proportional to 18,122,110.50, 27,169,588.25 and 10,931,968.38

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Solution

The fourth proportional to 18,122,110.50, 27,169,588.25 and 10,931,968.38 is: 16,389,762.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,122,110.50 : 27,169,588.25 = 10,931,968.38 : x
  2. Step 2: Convert to fraction form
    18,122,110.50/27,169,588.25 = 10,931,968.38/x
  3. Step 3: Cross multiply
    18,122,110.50x = 27,169,588.25 × 10,931,968.38
  4. Step 4: Simplify right side
    18,122,110.50x = 297,017,079,646,619.56
  5. Step 5: Solve for x
    x = 297,017,079,646,619.56/18,122,110.50
  6. Step 6: Final answer
    x = 16,389,762.09

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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.