Home / 9,113,704.20-13,670,556.30-8,971,986.60

Finding the Fourth Proportional to 9,113,704.20, 13,670,556.30 and 8,971,986.60

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Solution

The fourth proportional to 9,113,704.20, 13,670,556.30 and 8,971,986.60 is: 13,457,979.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,113,704.20 : 13,670,556.30 = 8,971,986.60 : x
  2. Step 2: Convert to fraction form
    9,113,704.20/13,670,556.30 = 8,971,986.60/x
  3. Step 3: Cross multiply
    9,113,704.20x = 13,670,556.30 × 8,971,986.60
  4. Step 4: Simplify right side
    9,113,704.20x = 122,652,047,938,145.58
  5. Step 5: Solve for x
    x = 122,652,047,938,145.58/9,113,704.20
  6. Step 6: Final answer
    x = 13,457,979.90

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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.