Home / 12,540,525.75-18,806,274.77-4,340,940.03

Finding the Fourth Proportional to 12,540,525.75, 18,806,274.77 and 4,340,940.03

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Solution

The fourth proportional to 12,540,525.75, 18,806,274.77 and 4,340,940.03 is: 6,509,847.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,540,525.75 : 18,806,274.77 = 4,340,940.03 : x
  2. Step 2: Convert to fraction form
    12,540,525.75/18,806,274.77 = 4,340,940.03/x
  3. Step 3: Cross multiply
    12,540,525.75x = 18,806,274.77 × 4,340,940.03
  4. Step 4: Simplify right side
    12,540,525.75x = 81,636,910,942,567.34
  5. Step 5: Solve for x
    x = 81,636,910,942,567.34/12,540,525.75
  6. Step 6: Final answer
    x = 6,509,847.56

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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.