Home / 12,376,690.62-18,568,836.90-5,908,020.36

Finding the Fourth Proportional to 12,376,690.62, 18,568,836.90 and 5,908,020.36

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Solution

The fourth proportional to 12,376,690.62, 18,568,836.90 and 5,908,020.36 is: 8,863,844.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,376,690.62 : 18,568,836.90 = 5,908,020.36 : x
  2. Step 2: Convert to fraction form
    12,376,690.62/18,568,836.90 = 5,908,020.36/x
  3. Step 3: Cross multiply
    12,376,690.62x = 18,568,836.90 × 5,908,020.36
  4. Step 4: Simplify right side
    12,376,690.62x = 109,705,066,466,719.28
  5. Step 5: Solve for x
    x = 109,705,066,466,719.28/12,376,690.62
  6. Step 6: Final answer
    x = 8,863,844.94

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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.