Home / 21,375,124.40-32,082,731.40-11,284,986.80

Finding the Fourth Proportional to 21,375,124.40, 32,082,731.40 and 11,284,986.80

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Solution

The fourth proportional to 21,375,124.40, 32,082,731.40 and 11,284,986.80 is: 16,938,062.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,375,124.40 : 32,082,731.40 = 11,284,986.80 : x
  2. Step 2: Convert to fraction form
    21,375,124.40/32,082,731.40 = 11,284,986.80/x
  3. Step 3: Cross multiply
    21,375,124.40x = 32,082,731.40 × 11,284,986.80
  4. Step 4: Simplify right side
    21,375,124.40x = 362,053,200,356,945.50
  5. Step 5: Solve for x
    x = 362,053,200,356,945.50/21,375,124.40
  6. Step 6: Final answer
    x = 16,938,062.84

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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.