Home / 15,692,469.40-23,538,704.10-13,739,915.80

Finding the Fourth Proportional to 15,692,469.40, 23,538,704.10 and 13,739,915.80

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Solution

The fourth proportional to 15,692,469.40, 23,538,704.10 and 13,739,915.80 is: 20,609,873.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,692,469.40 : 23,538,704.10 = 13,739,915.80 : x
  2. Step 2: Convert to fraction form
    15,692,469.40/23,538,704.10 = 13,739,915.80/x
  3. Step 3: Cross multiply
    15,692,469.40x = 23,538,704.10 × 13,739,915.80
  4. Step 4: Simplify right side
    15,692,469.40x = 323,419,812,375,114.81
  5. Step 5: Solve for x
    x = 323,419,812,375,114.81/15,692,469.40
  6. Step 6: Final answer
    x = 20,609,873.70

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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.