Home / 13,626,801.45-20,443,240.35-3,910,657.05

Finding the Fourth Proportional to 13,626,801.45, 20,443,240.35 and 3,910,657.05

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Solution

The fourth proportional to 13,626,801.45, 20,443,240.35 and 3,910,657.05 is: 5,866,857.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,626,801.45 : 20,443,240.35 = 3,910,657.05 : x
  2. Step 2: Convert to fraction form
    13,626,801.45/20,443,240.35 = 3,910,657.05/x
  3. Step 3: Cross multiply
    13,626,801.45x = 20,443,240.35 × 3,910,657.05
  4. Step 4: Simplify right side
    13,626,801.45x = 79,946,501,999,571.97
  5. Step 5: Solve for x
    x = 79,946,501,999,571.97/13,626,801.45
  6. Step 6: Final answer
    x = 5,866,857.48

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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.