Home / 12,994,406.80-19,491,610.20-6,617,114.80

Finding the Fourth Proportional to 12,994,406.80, 19,491,610.20 and 6,617,114.80

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Solution

The fourth proportional to 12,994,406.80, 19,491,610.20 and 6,617,114.80 is: 9,925,672.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,994,406.80 : 19,491,610.20 = 6,617,114.80 : x
  2. Step 2: Convert to fraction form
    12,994,406.80/19,491,610.20 = 6,617,114.80/x
  3. Step 3: Cross multiply
    12,994,406.80x = 19,491,610.20 × 6,617,114.80
  4. Step 4: Simplify right side
    12,994,406.80x = 128,978,222,330,250.95
  5. Step 5: Solve for x
    x = 128,978,222,330,250.95/12,994,406.80
  6. Step 6: Final answer
    x = 9,925,672.20

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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.