Finding the Fourth Proportional to 8,489,097.18, 11,715,024.99 and 4,621,645.26
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Solution
The fourth proportional to 8,489,097.18, 11,715,024.99 and 4,621,645.26 is: 6,377,909.05
Step by Step Solution
- Step 1: Write the proportion equation
8,489,097.18 : 11,715,024.99 = 4,621,645.26 : x - Step 2: Convert to fraction form
8,489,097.18/11,715,024.99 = 4,621,645.26/x - Step 3: Cross multiply
8,489,097.18x = 11,715,024.99 × 4,621,645.26 - Step 4: Simplify right side
8,489,097.18x = 54,142,689,715,815.05 - Step 5: Solve for x
x = 54,142,689,715,815.05/8,489,097.18 - Step 6: Final answer
x = 6,377,909.05
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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.