Home / 8,238,469.20-12,358,625.40-2,558,648.40

Finding the Fourth Proportional to 8,238,469.20, 12,358,625.40 and 2,558,648.40

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Solution

The fourth proportional to 8,238,469.20, 12,358,625.40 and 2,558,648.40 is: 3,838,258.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,238,469.20 : 12,358,625.40 = 2,558,648.40 : x
  2. Step 2: Convert to fraction form
    8,238,469.20/12,358,625.40 = 2,558,648.40/x
  3. Step 3: Cross multiply
    8,238,469.20x = 12,358,625.40 × 2,558,648.40
  4. Step 4: Simplify right side
    8,238,469.20x = 31,621,377,105,909.36
  5. Step 5: Solve for x
    x = 31,621,377,105,909.36/8,238,469.20
  6. Step 6: Final answer
    x = 3,838,258.82

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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.