Home / 19,309,084.70-26,653,529.06-12,784,816.07

Finding the Fourth Proportional to 19,309,084.70, 26,653,529.06 and 12,784,816.07

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Solution

The fourth proportional to 19,309,084.70, 26,653,529.06 and 12,784,816.07 is: 17,647,675.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,309,084.70 : 26,653,529.06 = 12,784,816.07 : x
  2. Step 2: Convert to fraction form
    19,309,084.70/26,653,529.06 = 12,784,816.07/x
  3. Step 3: Cross multiply
    19,309,084.70x = 26,653,529.06 × 12,784,816.07
  4. Step 4: Simplify right side
    19,309,084.70x = 340,760,466,451,308.25
  5. Step 5: Solve for x
    x = 340,760,466,451,308.25/19,309,084.70
  6. Step 6: Final answer
    x = 17,647,675.79

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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.