Finding the Fourth Proportional to 7,706,939.88, 11,562,031.98 and 2,914,521.96
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Solution
The fourth proportional to 7,706,939.88, 11,562,031.98 and 2,914,521.96 is: 4,372,396.39
Step by Step Solution
- Step 1: Write the proportion equation
7,706,939.88 : 11,562,031.98 = 2,914,521.96 : x - Step 2: Convert to fraction form
7,706,939.88/11,562,031.98 = 2,914,521.96/x - Step 3: Cross multiply
7,706,939.88x = 11,562,031.98 × 2,914,521.96 - Step 4: Simplify right side
7,706,939.88x = 33,697,796,107,932.28 - Step 5: Solve for x
x = 33,697,796,107,932.28/7,706,939.88 - Step 6: Final answer
x = 4,372,396.39
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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.