Home / 18,158,771.37-25,058,198.85-10,317,247.86

Finding the Fourth Proportional to 18,158,771.37, 25,058,198.85 and 10,317,247.86

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Solution

The fourth proportional to 18,158,771.37, 25,058,198.85 and 10,317,247.86 is: 14,237,287.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,158,771.37 : 25,058,198.85 = 10,317,247.86 : x
  2. Step 2: Convert to fraction form
    18,158,771.37/25,058,198.85 = 10,317,247.86/x
  3. Step 3: Cross multiply
    18,158,771.37x = 25,058,198.85 × 10,317,247.86
  4. Step 4: Simplify right side
    18,158,771.37x = 258,531,648,460,616.97
  5. Step 5: Solve for x
    x = 258,531,648,460,616.97/18,158,771.37
  6. Step 6: Final answer
    x = 14,237,287.49

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1.5x scale

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.