Finding the Fourth Proportional to 8,328,956.49, 11,494,545.68 and 4,658,214.62
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Solution
The fourth proportional to 8,328,956.49, 11,494,545.68 and 4,658,214.62 is: 6,428,663.75
Step by Step Solution
- Step 1: Write the proportion equation
8,328,956.49 : 11,494,545.68 = 4,658,214.62 : x - Step 2: Convert to fraction form
8,328,956.49/11,494,545.68 = 4,658,214.62/x - Step 3: Cross multiply
8,328,956.49x = 11,494,545.68 × 4,658,214.62 - Step 4: Simplify right side
8,328,956.49x = 53,544,060,656,070.05 - Step 5: Solve for x
x = 53,544,060,656,070.05/8,328,956.49 - Step 6: Final answer
x = 6,428,663.75
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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.