Home / 21,375,122.40-32,082,728.40-11,284,984.80

Finding the Fourth Proportional to 21,375,122.40, 32,082,728.40 and 11,284,984.80

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Solution

The fourth proportional to 21,375,122.40, 32,082,728.40 and 11,284,984.80 is: 16,938,059.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,375,122.40 : 32,082,728.40 = 11,284,984.80 : x
  2. Step 2: Convert to fraction form
    21,375,122.40/32,082,728.40 = 11,284,984.80/x
  3. Step 3: Cross multiply
    21,375,122.40x = 32,082,728.40 × 11,284,984.80
  4. Step 4: Simplify right side
    21,375,122.40x = 362,053,102,336,528.31
  5. Step 5: Solve for x
    x = 362,053,102,336,528.31/21,375,122.40
  6. Step 6: Final answer
    x = 16,938,059.84

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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.