Home / 18,825,704.76-28,236,915.48-11,638,347.96

Finding the Fourth Proportional to 18,825,704.76, 28,236,915.48 and 11,638,347.96

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Solution

The fourth proportional to 18,825,704.76, 28,236,915.48 and 11,638,347.96 is: 17,456,507.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,825,704.76 : 28,236,915.48 = 11,638,347.96 : x
  2. Step 2: Convert to fraction form
    18,825,704.76/28,236,915.48 = 11,638,347.96/x
  3. Step 3: Cross multiply
    18,825,704.76x = 28,236,915.48 × 11,638,347.96
  4. Step 4: Simplify right side
    18,825,704.76x = 328,631,047,673,350.44
  5. Step 5: Solve for x
    x = 328,631,047,673,350.44/18,825,704.76
  6. Step 6: Final answer
    x = 17,456,507.04

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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.