Home / 21,597,643.20-32,396,464.80-15,858,080.40

Finding the Fourth Proportional to 21,597,643.20, 32,396,464.80 and 15,858,080.40

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Solution

The fourth proportional to 21,597,643.20, 32,396,464.80 and 15,858,080.40 is: 23,787,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,597,643.20 : 32,396,464.80 = 15,858,080.40 : x
  2. Step 2: Convert to fraction form
    21,597,643.20/32,396,464.80 = 15,858,080.40/x
  3. Step 3: Cross multiply
    21,597,643.20x = 32,396,464.80 × 15,858,080.40
  4. Step 4: Simplify right side
    21,597,643.20x = 513,745,743,474,169.94
  5. Step 5: Solve for x
    x = 513,745,743,474,169.94/21,597,643.20
  6. Step 6: Final answer
    x = 23,787,120.60

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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.