Finding the Fourth Proportional to 6,616,276.80, 9,916,976.56 and 3,368,698.68
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Solution
The fourth proportional to 6,616,276.80, 9,916,976.56 and 3,368,698.68 is: 5,049,260.61
Step by Step Solution
- Step 1: Write the proportion equation
6,616,276.80 : 9,916,976.56 = 3,368,698.68 : x - Step 2: Convert to fraction form
6,616,276.80/9,916,976.56 = 3,368,698.68/x - Step 3: Cross multiply
6,616,276.80x = 9,916,976.56 × 3,368,698.68 - Step 4: Simplify right side
6,616,276.80x = 33,407,305,847,262.95 - Step 5: Solve for x
x = 33,407,305,847,262.95/6,616,276.80 - Step 6: Final answer
x = 5,049,260.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.