Finding the Fourth Proportional to 7,206,639.88, 9,944,725.44 and 4,108,730.08
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Solution
The fourth proportional to 7,206,639.88, 9,944,725.44 and 4,108,730.08 is: 5,669,798.02
Step by Step Solution
- Step 1: Write the proportion equation
7,206,639.88 : 9,944,725.44 = 4,108,730.08 : x - Step 2: Convert to fraction form
7,206,639.88/9,944,725.44 = 4,108,730.08/x - Step 3: Cross multiply
7,206,639.88x = 9,944,725.44 × 4,108,730.08 - Step 4: Simplify right side
7,206,639.88x = 40,860,192,552,669.23 - Step 5: Solve for x
x = 40,860,192,552,669.23/7,206,639.88 - Step 6: Final answer
x = 5,669,798.02
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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.