Home / 21,375,123.90-32,082,730.65-11,284,986.30

Finding the Fourth Proportional to 21,375,123.90, 32,082,730.65 and 11,284,986.30

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Solution

The fourth proportional to 21,375,123.90, 32,082,730.65 and 11,284,986.30 is: 16,938,062.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,375,123.90 : 32,082,730.65 = 11,284,986.30 : x
  2. Step 2: Convert to fraction form
    21,375,123.90/32,082,730.65 = 11,284,986.30/x
  3. Step 3: Cross multiply
    21,375,123.90x = 32,082,730.65 × 11,284,986.30
  4. Step 4: Simplify right side
    21,375,123.90x = 362,053,175,851,840.12
  5. Step 5: Solve for x
    x = 362,053,175,851,840.12/21,375,123.90
  6. Step 6: Final answer
    x = 16,938,062.09

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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.