Home / 21,857,640.32-32,786,585.34-9,078,145.04

Finding the Fourth Proportional to 21,857,640.32, 32,786,585.34 and 9,078,145.04

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Solution

The fourth proportional to 21,857,640.32, 32,786,585.34 and 9,078,145.04 is: 13,617,269.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,857,640.32 : 32,786,585.34 = 9,078,145.04 : x
  2. Step 2: Convert to fraction form
    21,857,640.32/32,786,585.34 = 9,078,145.04/x
  3. Step 3: Cross multiply
    21,857,640.32x = 32,786,585.34 × 9,078,145.04
  4. Step 4: Simplify right side
    21,857,640.32x = 297,641,377,082,857.69
  5. Step 5: Solve for x
    x = 297,641,377,082,857.69/21,857,640.32
  6. Step 6: Final answer
    x = 13,617,269.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.