Home / 19,309,087.07-26,653,532.36-12,784,818.43

Finding the Fourth Proportional to 19,309,087.07, 26,653,532.36 and 12,784,818.43

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Solution

The fourth proportional to 19,309,087.07, 26,653,532.36 and 12,784,818.43 is: 17,647,679.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,309,087.07 : 26,653,532.36 = 12,784,818.43 : x
  2. Step 2: Convert to fraction form
    19,309,087.07/26,653,532.36 = 12,784,818.43/x
  3. Step 3: Cross multiply
    19,309,087.07x = 26,653,532.36 × 12,784,818.43
  4. Step 4: Simplify right side
    19,309,087.07x = 340,760,571,740,729.38
  5. Step 5: Solve for x
    x = 340,760,571,740,729.38/19,309,087.07
  6. Step 6: Final answer
    x = 17,647,679.07

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Double scale
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1.5x scale

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.