Home / 30,660,014.40-45,972,525.60-11,491,396.80

Finding the Fourth Proportional to 30,660,014.40, 45,972,525.60 and 11,491,396.80

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Solution

The fourth proportional to 30,660,014.40, 45,972,525.60 and 11,491,396.80 is: 17,230,537.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,660,014.40 : 45,972,525.60 = 11,491,396.80 : x
  2. Step 2: Convert to fraction form
    30,660,014.40/45,972,525.60 = 11,491,396.80/x
  3. Step 3: Cross multiply
    30,660,014.40x = 45,972,525.60 × 11,491,396.80
  4. Step 4: Simplify right side
    30,660,014.40x = 528,288,533,567,758.12
  5. Step 5: Solve for x
    x = 528,288,533,567,758.12/30,660,014.40
  6. Step 6: Final answer
    x = 17,230,537.69

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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.