Finding the Fourth Proportional to 7,643,803.00, 11,465,704.38 and 2,786,473.72
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Solution
The fourth proportional to 7,643,803.00, 11,465,704.38 and 2,786,473.72 is: 4,179,710.53
Step by Step Solution
- Step 1: Write the proportion equation
7,643,803.00 : 11,465,704.38 = 2,786,473.72 : x - Step 2: Convert to fraction form
7,643,803.00/11,465,704.38 = 2,786,473.72/x - Step 3: Cross multiply
7,643,803.00x = 11,465,704.38 × 2,786,473.72 - Step 4: Simplify right side
7,643,803.00x = 31,948,883,864,898 - Step 5: Solve for x
x = 31,948,883,864,898/7,643,803.00 - Step 6: Final answer
x = 4,179,710.53
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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.