Home / 27,285,658.40-40,929,143.70-8,117,040.80

Finding the Fourth Proportional to 27,285,658.40, 40,929,143.70 and 8,117,040.80

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Solution

The fourth proportional to 27,285,658.40, 40,929,143.70 and 8,117,040.80 is: 12,175,756.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,285,658.40 : 40,929,143.70 = 8,117,040.80 : x
  2. Step 2: Convert to fraction form
    27,285,658.40/40,929,143.70 = 8,117,040.80/x
  3. Step 3: Cross multiply
    27,285,658.40x = 40,929,143.70 × 8,117,040.80
  4. Step 4: Simplify right side
    27,285,658.40x = 332,223,529,321,963
  5. Step 5: Solve for x
    x = 332,223,529,321,963/27,285,658.40
  6. Step 6: Final answer
    x = 12,175,756.38

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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.