Home / 15,789,508.70-21,790,787.96-12,553,033.01

Finding the Fourth Proportional to 15,789,508.70, 21,790,787.96 and 12,553,033.01

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Solution

The fourth proportional to 15,789,508.70, 21,790,787.96 and 12,553,033.01 is: 17,324,192.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,789,508.70 : 21,790,787.96 = 12,553,033.01 : x
  2. Step 2: Convert to fraction form
    15,789,508.70/21,790,787.96 = 12,553,033.01/x
  3. Step 3: Cross multiply
    15,789,508.70x = 21,790,787.96 × 12,553,033.01
  4. Step 4: Simplify right side
    15,789,508.70x = 273,540,480,513,025.38
  5. Step 5: Solve for x
    x = 273,540,480,513,025.38/15,789,508.70
  6. Step 6: Final answer
    x = 17,324,192.01

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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.