Home / 15,789,508.20-21,790,787.27-12,553,032.51

Finding the Fourth Proportional to 15,789,508.20, 21,790,787.27 and 12,553,032.51

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Solution

The fourth proportional to 15,789,508.20, 21,790,787.27 and 12,553,032.51 is: 17,324,191.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,789,508.20 : 21,790,787.27 = 12,553,032.51 : x
  2. Step 2: Convert to fraction form
    15,789,508.20/21,790,787.27 = 12,553,032.51/x
  3. Step 3: Cross multiply
    15,789,508.20x = 21,790,787.27 × 12,553,032.51
  4. Step 4: Simplify right side
    15,789,508.20x = 273,540,460,956,039
  5. Step 5: Solve for x
    x = 273,540,460,956,039/15,789,508.20
  6. Step 6: Final answer
    x = 17,324,191.32

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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.