Home / 27,842,911.72-38,422,640.18-15,452,285.83

Finding the Fourth Proportional to 27,842,911.72, 38,422,640.18 and 15,452,285.83

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Solution

The fourth proportional to 27,842,911.72, 38,422,640.18 and 15,452,285.83 is: 21,323,833.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,842,911.72 : 38,422,640.18 = 15,452,285.83 : x
  2. Step 2: Convert to fraction form
    27,842,911.72/38,422,640.18 = 15,452,285.83/x
  3. Step 3: Cross multiply
    27,842,911.72x = 38,422,640.18 × 15,452,285.83
  4. Step 4: Simplify right side
    27,842,911.72x = 593,717,618,347,176.75
  5. Step 5: Solve for x
    x = 593,717,618,347,176.75/27,842,911.72
  6. Step 6: Final answer
    x = 21,323,833.67

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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.