Finding the Fourth Proportional to 10,121,035.44, 13,967,230.62 and 5,537,455.32
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Solution
The fourth proportional to 10,121,035.44, 13,967,230.62 and 5,537,455.32 is: 7,641,798.70
Step by Step Solution
- Step 1: Write the proportion equation
10,121,035.44 : 13,967,230.62 = 5,537,455.32 : x - Step 2: Convert to fraction form
10,121,035.44/13,967,230.62 = 5,537,455.32/x - Step 3: Cross multiply
10,121,035.44x = 13,967,230.62 × 5,537,455.32 - Step 4: Simplify right side
10,121,035.44x = 77,342,915,502,385.89 - Step 5: Solve for x
x = 77,342,915,502,385.89/10,121,035.44 - Step 6: Final answer
x = 7,641,798.70
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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.