Finding the Fourth Proportional to 8,053,544.42, 12,080,341.51 and 1,988,276.84
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Solution
The fourth proportional to 8,053,544.42, 12,080,341.51 and 1,988,276.84 is: 2,982,421.40
Step by Step Solution
- Step 1: Write the proportion equation
8,053,544.42 : 12,080,341.51 = 1,988,276.84 : x - Step 2: Convert to fraction form
8,053,544.42/12,080,341.51 = 1,988,276.84/x - Step 3: Cross multiply
8,053,544.42x = 12,080,341.51 × 1,988,276.84 - Step 4: Simplify right side
8,053,544.42x = 24,019,063,243,623.63 - Step 5: Solve for x
x = 24,019,063,243,623.63/8,053,544.42 - Step 6: Final answer
x = 2,982,421.40
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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.