Home / 21,541,975.80-32,336,583.30-13,464,072.60

Finding the Fourth Proportional to 21,541,975.80, 32,336,583.30 and 13,464,072.60

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Solution

The fourth proportional to 21,541,975.80, 32,336,583.30 and 13,464,072.60 is: 20,210,871.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,541,975.80 : 32,336,583.30 = 13,464,072.60 : x
  2. Step 2: Convert to fraction form
    21,541,975.80/32,336,583.30 = 13,464,072.60/x
  3. Step 3: Cross multiply
    21,541,975.80x = 32,336,583.30 × 13,464,072.60
  4. Step 4: Simplify right side
    21,541,975.80x = 435,382,105,187,147.56
  5. Step 5: Solve for x
    x = 435,382,105,187,147.56/21,541,975.80
  6. Step 6: Final answer
    x = 20,210,871.52

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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.