Home / 13,674,058.38-18,868,760.55-8,166,668.94

Finding the Fourth Proportional to 13,674,058.38, 18,868,760.55 and 8,166,668.94

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Solution

The fourth proportional to 13,674,058.38, 18,868,760.55 and 8,166,668.94 is: 11,269,143.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,674,058.38 : 18,868,760.55 = 8,166,668.94 : x
  2. Step 2: Convert to fraction form
    13,674,058.38/18,868,760.55 = 8,166,668.94/x
  3. Step 3: Cross multiply
    13,674,058.38x = 18,868,760.55 × 8,166,668.94
  4. Step 4: Simplify right side
    13,674,058.38x = 154,094,920,719,982.34
  5. Step 5: Solve for x
    x = 154,094,920,719,982.34/13,674,058.38
  6. Step 6: Final answer
    x = 11,269,143.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.