Home / 29,155,696.70-43,740,738.21-8,685,336.69

Finding the Fourth Proportional to 29,155,696.70, 43,740,738.21 and 8,685,336.69

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Solution

The fourth proportional to 29,155,696.70, 43,740,738.21 and 8,685,336.69 is: 13,030,147.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,155,696.70 : 43,740,738.21 = 8,685,336.69 : x
  2. Step 2: Convert to fraction form
    29,155,696.70/43,740,738.21 = 8,685,336.69/x
  3. Step 3: Cross multiply
    29,155,696.70x = 43,740,738.21 × 8,685,336.69
  4. Step 4: Simplify right side
    29,155,696.70x = 379,903,038,422,997.94
  5. Step 5: Solve for x
    x = 379,903,038,422,997.94/29,155,696.70
  6. Step 6: Final answer
    x = 13,030,147.84

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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.