Home / 30,660,000.40-45,972,504.60-11,491,382.80

Finding the Fourth Proportional to 30,660,000.40, 45,972,504.60 and 11,491,382.80

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Solution

The fourth proportional to 30,660,000.40, 45,972,504.60 and 11,491,382.80 is: 17,230,516.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,660,000.40 : 45,972,504.60 = 11,491,382.80 : x
  2. Step 2: Convert to fraction form
    30,660,000.40/45,972,504.60 = 11,491,382.80/x
  3. Step 3: Cross multiply
    30,660,000.40x = 45,972,504.60 × 11,491,382.80
  4. Step 4: Simplify right side
    30,660,000.40x = 528,287,648,633,360.94
  5. Step 5: Solve for x
    x = 528,287,648,633,360.94/30,660,000.40
  6. Step 6: Final answer
    x = 17,230,516.69

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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.