Finding the Fourth Proportional to 7,429,604.05, 11,145,513.41 and 2,636,891.96
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Solution
The fourth proportional to 7,429,604.05, 11,145,513.41 and 2,636,891.96 is: 3,955,730.96
Step by Step Solution
- Step 1: Write the proportion equation
7,429,604.05 : 11,145,513.41 = 2,636,891.96 : x - Step 2: Convert to fraction form
7,429,604.05/11,145,513.41 = 2,636,891.96/x - Step 3: Cross multiply
7,429,604.05x = 11,145,513.41 × 2,636,891.96 - Step 4: Simplify right side
7,429,604.05x = 29,389,514,728,502.83 - Step 5: Solve for x
x = 29,389,514,728,502.83/7,429,604.05 - Step 6: Final answer
x = 3,955,730.96
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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.