Home / 18,769,621.20-28,154,431.80-14,738,542.80

Finding the Fourth Proportional to 18,769,621.20, 28,154,431.80 and 14,738,542.80

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Solution

The fourth proportional to 18,769,621.20, 28,154,431.80 and 14,738,542.80 is: 22,107,814.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,769,621.20 : 28,154,431.80 = 14,738,542.80 : x
  2. Step 2: Convert to fraction form
    18,769,621.20/28,154,431.80 = 14,738,542.80/x
  3. Step 3: Cross multiply
    18,769,621.20x = 28,154,431.80 × 14,738,542.80
  4. Step 4: Simplify right side
    18,769,621.20x = 414,955,298,093,981.06
  5. Step 5: Solve for x
    x = 414,955,298,093,981.06/18,769,621.20
  6. Step 6: Final answer
    x = 22,107,814.20

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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.