Home / 18,158,764.50-25,058,189.34-10,317,240.97

Finding the Fourth Proportional to 18,158,764.50, 25,058,189.34 and 10,317,240.97

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Solution

The fourth proportional to 18,158,764.50, 25,058,189.34 and 10,317,240.97 is: 14,237,277.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,158,764.50 : 25,058,189.34 = 10,317,240.97 : x
  2. Step 2: Convert to fraction form
    18,158,764.50/25,058,189.34 = 10,317,240.97/x
  3. Step 3: Cross multiply
    18,158,764.50x = 25,058,189.34 × 10,317,240.97
  4. Step 4: Simplify right side
    18,158,764.50x = 258,531,377,723,987.97
  5. Step 5: Solve for x
    x = 258,531,377,723,987.97/18,158,764.50
  6. Step 6: Final answer
    x = 14,237,277.96

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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.