Home / 19,890,759.63-29,836,147.31-8,948,167.67

Finding the Fourth Proportional to 19,890,759.63, 29,836,147.31 and 8,948,167.67

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Solution

The fourth proportional to 19,890,759.63, 29,836,147.31 and 8,948,167.67 is: 13,422,255.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,890,759.63 : 29,836,147.31 = 8,948,167.67 : x
  2. Step 2: Convert to fraction form
    19,890,759.63/29,836,147.31 = 8,948,167.67/x
  3. Step 3: Cross multiply
    19,890,759.63x = 29,836,147.31 × 8,948,167.67
  4. Step 4: Simplify right side
    19,890,759.63x = 266,978,848,562,777.88
  5. Step 5: Solve for x
    x = 266,978,848,562,777.88/19,890,759.63
  6. Step 6: Final answer
    x = 13,422,255.03

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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.