Home / 28,749,920.80-43,103,610.60-13,586,137.60

Finding the Fourth Proportional to 28,749,920.80, 43,103,610.60 and 13,586,137.60

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Solution

The fourth proportional to 28,749,920.80, 43,103,610.60 and 13,586,137.60 is: 20,369,154.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,749,920.80 : 43,103,610.60 = 13,586,137.60 : x
  2. Step 2: Convert to fraction form
    28,749,920.80/43,103,610.60 = 13,586,137.60/x
  3. Step 3: Cross multiply
    28,749,920.80x = 43,103,610.60 × 13,586,137.60
  4. Step 4: Simplify right side
    28,749,920.80x = 585,611,584,668,418.62
  5. Step 5: Solve for x
    x = 585,611,584,668,418.62/28,749,920.80
  6. Step 6: Final answer
    x = 20,369,154.71

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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.