Finding the Fourth Proportional to 8,537,242.14, 11,781,429.40 and 4,616,998.17
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Solution
The fourth proportional to 8,537,242.14, 11,781,429.40 and 4,616,998.17 is: 6,371,476.54
Step by Step Solution
- Step 1: Write the proportion equation
8,537,242.14 : 11,781,429.40 = 4,616,998.17 : x - Step 2: Convert to fraction form
8,537,242.14/11,781,429.40 = 4,616,998.17/x - Step 3: Cross multiply
8,537,242.14x = 11,781,429.40 × 4,616,998.17 - Step 4: Simplify right side
8,537,242.14x = 54,394,837,997,695.28 - Step 5: Solve for x
x = 54,394,837,997,695.28/8,537,242.14 - Step 6: Final answer
x = 6,371,476.54
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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.