Home / 21,856,754.28-32,784,673.56-7,284,728.64

Finding the Fourth Proportional to 21,856,754.28, 32,784,673.56 and 7,284,728.64

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Solution

The fourth proportional to 21,856,754.28, 32,784,673.56 and 7,284,728.64 is: 10,926,940.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,856,754.28 : 32,784,673.56 = 7,284,728.64 : x
  2. Step 2: Convert to fraction form
    21,856,754.28/32,784,673.56 = 7,284,728.64/x
  3. Step 3: Cross multiply
    21,856,754.28x = 32,784,673.56 × 7,284,728.64
  4. Step 4: Simplify right side
    21,856,754.28x = 238,827,450,435,582.75
  5. Step 5: Solve for x
    x = 238,827,450,435,582.75/21,856,754.28
  6. Step 6: Final answer
    x = 10,926,940.36

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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.