Finding the Fourth Proportional to 8,703,121.49, 12,006,587.44 and 5,437,711.79
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Solution
The fourth proportional to 8,703,121.49, 12,006,587.44 and 5,437,711.79 is: 7,501,717.88
Step by Step Solution
- Step 1: Write the proportion equation
8,703,121.49 : 12,006,587.44 = 5,437,711.79 : x - Step 2: Convert to fraction form
8,703,121.49/12,006,587.44 = 5,437,711.79/x - Step 3: Cross multiply
8,703,121.49x = 12,006,587.44 × 5,437,711.79 - Step 4: Simplify right side
8,703,121.49x = 65,288,362,080,153.91 - Step 5: Solve for x
x = 65,288,362,080,153.91/8,703,121.49 - Step 6: Final answer
x = 7,501,717.88
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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.