Home / 18,621,013.89-27,935,541.15-5,668,177.43

Finding the Fourth Proportional to 18,621,013.89, 27,935,541.15 and 5,668,177.43

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Solution

The fourth proportional to 18,621,013.89, 27,935,541.15 and 5,668,177.43 is: 8,503,489.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,621,013.89 : 27,935,541.15 = 5,668,177.43 : x
  2. Step 2: Convert to fraction form
    18,621,013.89/27,935,541.15 = 5,668,177.43/x
  3. Step 3: Cross multiply
    18,621,013.89x = 27,935,541.15 × 5,668,177.43
  4. Step 4: Simplify right side
    18,621,013.89x = 158,343,603,673,247.66
  5. Step 5: Solve for x
    x = 158,343,603,673,247.66/18,621,013.89
  6. Step 6: Final answer
    x = 8,503,489.91

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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.