Finding the Fourth Proportional to 7,889,834.36, 10,887,864.99 and 4,405,226.82
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Solution
The fourth proportional to 7,889,834.36, 10,887,864.99 and 4,405,226.82 is: 6,079,153.58
Step by Step Solution
- Step 1: Write the proportion equation
7,889,834.36 : 10,887,864.99 = 4,405,226.82 : x - Step 2: Convert to fraction form
7,889,834.36/10,887,864.99 = 4,405,226.82/x - Step 3: Cross multiply
7,889,834.36x = 10,887,864.99 × 4,405,226.82 - Step 4: Simplify right side
7,889,834.36x = 47,963,514,809,137.94 - Step 5: Solve for x
x = 47,963,514,809,137.94/7,889,834.36 - Step 6: Final answer
x = 6,079,153.58
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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.