Finding the Fourth Proportional to 11,169,549.64, 15,413,070.18 and 6,274,505.80
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Solution
The fourth proportional to 11,169,549.64, 15,413,070.18 and 6,274,505.80 is: 8,658,307.75
Step by Step Solution
- Step 1: Write the proportion equation
11,169,549.64 : 15,413,070.18 = 6,274,505.80 : x - Step 2: Convert to fraction form
11,169,549.64/15,413,070.18 = 6,274,505.80/x - Step 3: Cross multiply
11,169,549.64x = 15,413,070.18 × 6,274,505.80 - Step 4: Simplify right side
11,169,549.64x = 96,709,398,240,217.05 - Step 5: Solve for x
x = 96,709,398,240,217.05/11,169,549.64 - Step 6: Final answer
x = 8,658,307.75
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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.