Finding the Fourth Proportional to 6,473,143.84, 9,660,495.26 and 5,755,717.12
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Solution
The fourth proportional to 6,473,143.84, 9,660,495.26 and 5,755,717.12 is: 8,589,810.35
Step by Step Solution
- Step 1: Write the proportion equation
6,473,143.84 : 9,660,495.26 = 5,755,717.12 : x - Step 2: Convert to fraction form
6,473,143.84/9,660,495.26 = 5,755,717.12/x - Step 3: Cross multiply
6,473,143.84x = 9,660,495.26 × 5,755,717.12 - Step 4: Simplify right side
6,473,143.84x = 55,603,077,955,660.85 - Step 5: Solve for x
x = 55,603,077,955,660.85/6,473,143.84 - Step 6: Final answer
x = 8,589,810.35
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.