Home / 20,544,770.12-28,351,240.16-11,724,063.32

Finding the Fourth Proportional to 20,544,770.12, 28,351,240.16 and 11,724,063.32

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Solution

The fourth proportional to 20,544,770.12, 28,351,240.16 and 11,724,063.32 is: 16,178,897.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,544,770.12 : 28,351,240.16 = 11,724,063.32 : x
  2. Step 2: Convert to fraction form
    20,544,770.12/28,351,240.16 = 11,724,063.32/x
  3. Step 3: Cross multiply
    20,544,770.12x = 28,351,240.16 × 11,724,063.32
  4. Step 4: Simplify right side
    20,544,770.12x = 332,391,734,836,366.94
  5. Step 5: Solve for x
    x = 332,391,734,836,366.94/20,544,770.12
  6. Step 6: Final answer
    x = 16,178,897.74

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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.