Home / 19,481,607.36-26,882,787.20-13,189,335.04

Finding the Fourth Proportional to 19,481,607.36, 26,882,787.20 and 13,189,335.04

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Solution

The fourth proportional to 19,481,607.36, 26,882,787.20 and 13,189,335.04 is: 18,200,042.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,481,607.36 : 26,882,787.20 = 13,189,335.04 : x
  2. Step 2: Convert to fraction form
    19,481,607.36/26,882,787.20 = 13,189,335.04/x
  3. Step 3: Cross multiply
    19,481,607.36x = 26,882,787.20 × 13,189,335.04
  4. Step 4: Simplify right side
    19,481,607.36x = 354,566,087,189,823.44
  5. Step 5: Solve for x
    x = 354,566,087,189,823.44/19,481,607.36
  6. Step 6: Final answer
    x = 18,200,042.77

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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.