Home / 15,058,220.11-20,780,651.34-8,183,145.04

Finding the Fourth Proportional to 15,058,220.11, 20,780,651.34 and 8,183,145.04

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Solution

The fourth proportional to 15,058,220.11, 20,780,651.34 and 8,183,145.04 is: 11,292,907.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,058,220.11 : 20,780,651.34 = 8,183,145.04 : x
  2. Step 2: Convert to fraction form
    15,058,220.11/20,780,651.34 = 8,183,145.04/x
  3. Step 3: Cross multiply
    15,058,220.11x = 20,780,651.34 × 8,183,145.04
  4. Step 4: Simplify right side
    15,058,220.11x = 170,051,083,888,938.72
  5. Step 5: Solve for x
    x = 170,051,083,888,938.72/15,058,220.11
  6. Step 6: Final answer
    x = 11,292,907.31

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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.