Home / 31,074,643.20-46,611,964.80-19,765,228.80

Finding the Fourth Proportional to 31,074,643.20, 46,611,964.80 and 19,765,228.80

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Solution

The fourth proportional to 31,074,643.20, 46,611,964.80 and 19,765,228.80 is: 29,647,843.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,074,643.20 : 46,611,964.80 = 19,765,228.80 : x
  2. Step 2: Convert to fraction form
    31,074,643.20/46,611,964.80 = 19,765,228.80/x
  3. Step 3: Cross multiply
    31,074,643.20x = 46,611,964.80 × 19,765,228.80
  4. Step 4: Simplify right side
    31,074,643.20x = 921,296,149,089,546.25
  5. Step 5: Solve for x
    x = 921,296,149,089,546.25/31,074,643.20
  6. Step 6: Final answer
    x = 29,647,843.20

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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.