Home / 12,990,933.40-19,489,164.90-4,016,392.60

Finding the Fourth Proportional to 12,990,933.40, 19,489,164.90 and 4,016,392.60

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Solution

The fourth proportional to 12,990,933.40, 19,489,164.90 and 4,016,392.60 is: 6,025,443.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,990,933.40 : 19,489,164.90 = 4,016,392.60 : x
  2. Step 2: Convert to fraction form
    12,990,933.40/19,489,164.90 = 4,016,392.60/x
  3. Step 3: Cross multiply
    12,990,933.40x = 19,489,164.90 × 4,016,392.60
  4. Step 4: Simplify right side
    12,990,933.40x = 78,276,137,684,539.73
  5. Step 5: Solve for x
    x = 78,276,137,684,539.73/12,990,933.40
  6. Step 6: Final answer
    x = 6,025,443.69

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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.