Finding the Fourth Proportional to 7,335,855.24, 10,122,976.71 and 4,072,415.82
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Solution
The fourth proportional to 7,335,855.24, 10,122,976.71 and 4,072,415.82 is: 5,619,654.31
Step by Step Solution
- Step 1: Write the proportion equation
7,335,855.24 : 10,122,976.71 = 4,072,415.82 : x - Step 2: Convert to fraction form
7,335,855.24/10,122,976.71 = 4,072,415.82/x - Step 3: Cross multiply
7,335,855.24x = 10,122,976.71 × 4,072,415.82 - Step 4: Simplify right side
7,335,855.24x = 41,224,970,499,295.55 - Step 5: Solve for x
x = 41,224,970,499,295.55/7,335,855.24 - Step 6: Final answer
x = 5,619,654.31
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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.