Home / 20,803,614.88-28,711,413.48-12,102,154.24

Finding the Fourth Proportional to 20,803,614.88, 28,711,413.48 and 12,102,154.24

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Solution

The fourth proportional to 20,803,614.88, 28,711,413.48 and 12,102,154.24 is: 16,702,383.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,803,614.88 : 28,711,413.48 = 12,102,154.24 : x
  2. Step 2: Convert to fraction form
    20,803,614.88/28,711,413.48 = 12,102,154.24/x
  3. Step 3: Cross multiply
    20,803,614.88x = 28,711,413.48 × 12,102,154.24
  4. Step 4: Simplify right side
    20,803,614.88x = 347,469,954,383,375.19
  5. Step 5: Solve for x
    x = 347,469,954,383,375.19/20,803,614.88
  6. Step 6: Final answer
    x = 16,702,383.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.