Home / 21,541,979.80-32,336,589.30-13,464,076.60

Finding the Fourth Proportional to 21,541,979.80, 32,336,589.30 and 13,464,076.60

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Solution

The fourth proportional to 21,541,979.80, 32,336,589.30 and 13,464,076.60 is: 20,210,877.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,541,979.80 : 32,336,589.30 = 13,464,076.60 : x
  2. Step 2: Convert to fraction form
    21,541,979.80/32,336,589.30 = 13,464,076.60/x
  3. Step 3: Cross multiply
    21,541,979.80x = 32,336,589.30 × 13,464,076.60
  4. Step 4: Simplify right side
    21,541,979.80x = 435,382,315,317,940.38
  5. Step 5: Solve for x
    x = 435,382,315,317,940.38/21,541,979.80
  6. Step 6: Final answer
    x = 20,210,877.52

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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.