Home / 34,240,789.48-47,257,337.78-21,682,990.40

Finding the Fourth Proportional to 34,240,789.48, 47,257,337.78 and 21,682,990.40

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Solution

The fourth proportional to 34,240,789.48, 47,257,337.78 and 21,682,990.40 is: 29,925,723.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,240,789.48 : 47,257,337.78 = 21,682,990.40 : x
  2. Step 2: Convert to fraction form
    34,240,789.48/47,257,337.78 = 21,682,990.40/x
  3. Step 3: Cross multiply
    34,240,789.48x = 47,257,337.78 × 21,682,990.40
  4. Step 4: Simplify right side
    34,240,789.48x = 1,024,680,401,413,297.25
  5. Step 5: Solve for x
    x = 1,024,680,401,413,297.25/34,240,789.48
  6. Step 6: Final answer
    x = 29,925,723.59

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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.