Home / 18,705,610.80-28,058,416.20-18,145,738.80

Finding the Fourth Proportional to 18,705,610.80, 28,058,416.20 and 18,145,738.80

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Solution

The fourth proportional to 18,705,610.80, 28,058,416.20 and 18,145,738.80 is: 27,218,608.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,705,610.80 : 28,058,416.20 = 18,145,738.80 : x
  2. Step 2: Convert to fraction form
    18,705,610.80/28,058,416.20 = 18,145,738.80/x
  3. Step 3: Cross multiply
    18,705,610.80x = 28,058,416.20 × 18,145,738.80
  4. Step 4: Simplify right side
    18,705,610.80x = 509,140,691,506,888.56
  5. Step 5: Solve for x
    x = 509,140,691,506,888.56/18,705,610.80
  6. Step 6: Final answer
    x = 27,218,608.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.