Home / 18,447,028.48-25,456,633.57-10,187,440.25

Finding the Fourth Proportional to 18,447,028.48, 25,456,633.57 and 10,187,440.25

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Solution

The fourth proportional to 18,447,028.48, 25,456,633.57 and 10,187,440.25 is: 14,058,520.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,447,028.48 : 25,456,633.57 = 10,187,440.25 : x
  2. Step 2: Convert to fraction form
    18,447,028.48/25,456,633.57 = 10,187,440.25/x
  3. Step 3: Cross multiply
    18,447,028.48x = 25,456,633.57 × 10,187,440.25
  4. Step 4: Simplify right side
    18,447,028.48x = 259,337,933,460,519.19
  5. Step 5: Solve for x
    x = 259,337,933,460,519.19/18,447,028.48
  6. Step 6: Final answer
    x = 14,058,520.79

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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.