Finding the Fourth Proportional to 8,959,149.30, 12,364,574.70 and 5,476,526.64
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Solution
The fourth proportional to 8,959,149.30, 12,364,574.70 and 5,476,526.64 is: 7,558,186.66
Step by Step Solution
- Step 1: Write the proportion equation
8,959,149.30 : 12,364,574.70 = 5,476,526.64 : x - Step 2: Convert to fraction form
8,959,149.30/12,364,574.70 = 5,476,526.64/x - Step 3: Cross multiply
8,959,149.30x = 12,364,574.70 × 5,476,526.64 - Step 4: Simplify right side
8,959,149.30x = 67,714,922,736,820 - Step 5: Solve for x
x = 67,714,922,736,820/8,959,149.30 - Step 6: Final answer
x = 7,558,186.66
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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.