Finding the Fourth Proportional to 7,017,114.49, 9,693,095.95 and 5,287,855.26
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Solution
The fourth proportional to 7,017,114.49, 9,693,095.95 and 5,287,855.26 is: 7,304,382.52
Step by Step Solution
- Step 1: Write the proportion equation
7,017,114.49 : 9,693,095.95 = 5,287,855.26 : x - Step 2: Convert to fraction form
7,017,114.49/9,693,095.95 = 5,287,855.26/x - Step 3: Cross multiply
7,017,114.49x = 9,693,095.95 × 5,287,855.26 - Step 4: Simplify right side
7,017,114.49x = 51,255,688,447,851.12 - Step 5: Solve for x
x = 51,255,688,447,851.12/7,017,114.49 - Step 6: Final answer
x = 7,304,382.52
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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.