Home / 18,447,028.98-25,456,634.26-10,187,440.75

Finding the Fourth Proportional to 18,447,028.98, 25,456,634.26 and 10,187,440.75

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Solution

The fourth proportional to 18,447,028.98, 25,456,634.26 and 10,187,440.75 is: 14,058,521.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,447,028.98 : 25,456,634.26 = 10,187,440.75 : x
  2. Step 2: Convert to fraction form
    18,447,028.98/25,456,634.26 = 10,187,440.75/x
  3. Step 3: Cross multiply
    18,447,028.98x = 25,456,634.26 × 10,187,440.75
  4. Step 4: Simplify right side
    18,447,028.98x = 259,337,953,218,170.12
  5. Step 5: Solve for x
    x = 259,337,953,218,170.12/18,447,028.98
  6. Step 6: Final answer
    x = 14,058,521.48

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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.