Home / 21,857,639.83-32,786,584.59-9,078,144.54

Finding the Fourth Proportional to 21,857,639.83, 32,786,584.59 and 9,078,144.54

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Solution

The fourth proportional to 21,857,639.83, 32,786,584.59 and 9,078,144.54 is: 13,617,268.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,857,639.83 : 32,786,584.59 = 9,078,144.54 : x
  2. Step 2: Convert to fraction form
    21,857,639.83/32,786,584.59 = 9,078,144.54/x
  3. Step 3: Cross multiply
    21,857,639.83x = 32,786,584.59 × 9,078,144.54
  4. Step 4: Simplify right side
    21,857,639.83x = 297,641,353,835,565.88
  5. Step 5: Solve for x
    x = 297,641,353,835,565.88/21,857,639.83
  6. Step 6: Final answer
    x = 13,617,268.66

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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.