Finding the Fourth Proportional to 7,251,803.08, 10,007,677.57 and 3,988,703.44
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Solution
The fourth proportional to 7,251,803.08, 10,007,677.57 and 3,988,703.44 is: 5,504,514.88
Step by Step Solution
- Step 1: Write the proportion equation
7,251,803.08 : 10,007,677.57 = 3,988,703.44 : x - Step 2: Convert to fraction form
7,251,803.08/10,007,677.57 = 3,988,703.44/x - Step 3: Cross multiply
7,251,803.08x = 10,007,677.57 × 3,988,703.44 - Step 4: Simplify right side
7,251,803.08x = 39,917,657,939,796.76 - Step 5: Solve for x
x = 39,917,657,939,796.76/7,251,803.08 - Step 6: Final answer
x = 5,504,514.88
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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.