Home / 21,532,809.60-29,715,940.80-12,367,290.24

Finding the Fourth Proportional to 21,532,809.60, 29,715,940.80 and 12,367,290.24

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Solution

The fourth proportional to 21,532,809.60, 29,715,940.80 and 12,367,290.24 is: 17,067,241.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,532,809.60 : 29,715,940.80 = 12,367,290.24 : x
  2. Step 2: Convert to fraction form
    21,532,809.60/29,715,940.80 = 12,367,290.24/x
  3. Step 3: Cross multiply
    21,532,809.60x = 29,715,940.80 × 12,367,290.24
  4. Step 4: Simplify right side
    21,532,809.60x = 367,505,664,628,257.81
  5. Step 5: Solve for x
    x = 367,505,664,628,257.81/21,532,809.60
  6. Step 6: Final answer
    x = 17,067,241.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.