Finding the Fourth Proportional to 7,676,812.17, 11,514,427.05 and 2,558,689.05
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Solution
The fourth proportional to 7,676,812.17, 11,514,427.05 and 2,558,689.05 is: 3,837,769.87
Step by Step Solution
- Step 1: Write the proportion equation
7,676,812.17 : 11,514,427.05 = 2,558,689.05 : x - Step 2: Convert to fraction form
7,676,812.17/11,514,427.05 = 2,558,689.05/x - Step 3: Cross multiply
7,676,812.17x = 11,514,427.05 × 2,558,689.05 - Step 4: Simplify right side
7,676,812.17x = 29,461,838,409,858.80 - Step 5: Solve for x
x = 29,461,838,409,858.80/7,676,812.17 - Step 6: Final answer
x = 3,837,769.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.