Home / 13,626,780.81-20,443,209.36-3,910,636.38

Finding the Fourth Proportional to 13,626,780.81, 20,443,209.36 and 3,910,636.38

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Solution

The fourth proportional to 13,626,780.81, 20,443,209.36 and 3,910,636.38 is: 5,866,826.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,626,780.81 : 20,443,209.36 = 3,910,636.38 : x
  2. Step 2: Convert to fraction form
    13,626,780.81/20,443,209.36 = 3,910,636.38/x
  3. Step 3: Cross multiply
    13,626,780.81x = 20,443,209.36 × 3,910,636.38
  4. Step 4: Simplify right side
    13,626,780.81x = 79,945,958,247,172.52
  5. Step 5: Solve for x
    x = 79,945,958,247,172.52/13,626,780.81
  6. Step 6: Final answer
    x = 5,866,826.46

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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.