Home / 19,538,621.79-26,945,654.13-12,197,136.18

Finding the Fourth Proportional to 19,538,621.79, 26,945,654.13 and 12,197,136.18

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Solution

The fourth proportional to 19,538,621.79, 26,945,654.13 and 12,197,136.18 is: 16,821,033.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,538,621.79 : 26,945,654.13 = 12,197,136.18 : x
  2. Step 2: Convert to fraction form
    19,538,621.79/26,945,654.13 = 12,197,136.18/x
  3. Step 3: Cross multiply
    19,538,621.79x = 26,945,654.13 × 12,197,136.18
  4. Step 4: Simplify right side
    19,538,621.79x = 328,659,812,882,789.38
  5. Step 5: Solve for x
    x = 328,659,812,882,789.38/19,538,621.79
  6. Step 6: Final answer
    x = 16,821,033.56

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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.