Finding the Fourth Proportional to 8,013,927.42, 11,057,589.99 and 4,749,305.58
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Solution
The fourth proportional to 8,013,927.42, 11,057,589.99 and 4,749,305.58 is: 6,553,075.80
Step by Step Solution
- Step 1: Write the proportion equation
8,013,927.42 : 11,057,589.99 = 4,749,305.58 : x - Step 2: Convert to fraction form
8,013,927.42/11,057,589.99 = 4,749,305.58/x - Step 3: Cross multiply
8,013,927.42x = 11,057,589.99 × 4,749,305.58 - Step 4: Simplify right side
8,013,927.42x = 52,515,873,840,859.15 - Step 5: Solve for x
x = 52,515,873,840,859.15/8,013,927.42 - Step 6: Final answer
x = 6,553,075.80
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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.