Home / 8,684,078.40-13,015,231.20-4,425,940.80

Finding the Fourth Proportional to 8,684,078.40, 13,015,231.20 and 4,425,940.80

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Solution

The fourth proportional to 8,684,078.40, 13,015,231.20 and 4,425,940.80 is: 6,633,362.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,684,078.40 : 13,015,231.20 = 4,425,940.80 : x
  2. Step 2: Convert to fraction form
    8,684,078.40/13,015,231.20 = 4,425,940.80/x
  3. Step 3: Cross multiply
    8,684,078.40x = 13,015,231.20 × 4,425,940.80
  4. Step 4: Simplify right side
    8,684,078.40x = 57,604,642,789,512.95
  5. Step 5: Solve for x
    x = 57,604,642,789,512.95/8,684,078.40
  6. Step 6: Final answer
    x = 6,633,362.82

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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.