Finding the Fourth Proportional to 7,113,698.57, 9,816,928.58 and 3,850,512.44
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Solution
The fourth proportional to 7,113,698.57, 9,816,928.58 and 3,850,512.44 is: 5,313,720.45
Step by Step Solution
- Step 1: Write the proportion equation
7,113,698.57 : 9,816,928.58 = 3,850,512.44 : x - Step 2: Convert to fraction form
7,113,698.57/9,816,928.58 = 3,850,512.44/x - Step 3: Cross multiply
7,113,698.57x = 9,816,928.58 × 3,850,512.44 - Step 4: Simplify right side
7,113,698.57x = 37,800,205,600,628.97 - Step 5: Solve for x
x = 37,800,205,600,628.97/7,113,698.57 - Step 6: Final answer
x = 5,313,720.45
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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.