Home / 21,375,122.90-32,082,729.15-11,284,985.30

Finding the Fourth Proportional to 21,375,122.90, 32,082,729.15 and 11,284,985.30

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Solution

The fourth proportional to 21,375,122.90, 32,082,729.15 and 11,284,985.30 is: 16,938,060.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,375,122.90 : 32,082,729.15 = 11,284,985.30 : x
  2. Step 2: Convert to fraction form
    21,375,122.90/32,082,729.15 = 11,284,985.30/x
  3. Step 3: Cross multiply
    21,375,122.90x = 32,082,729.15 × 11,284,985.30
  4. Step 4: Simplify right side
    21,375,122.90x = 362,053,126,841,631.50
  5. Step 5: Solve for x
    x = 362,053,126,841,631.50/21,375,122.90
  6. Step 6: Final answer
    x = 16,938,060.59

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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.