Finding the Fourth Proportional to 6,146,943.12, 8,482,794.12 and 3,393,635.90
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Solution
The fourth proportional to 6,146,943.12, 8,482,794.12 and 3,393,635.90 is: 4,683,224.50
Step by Step Solution
- Step 1: Write the proportion equation
6,146,943.12 : 8,482,794.12 = 3,393,635.90 : x - Step 2: Convert to fraction form
6,146,943.12/8,482,794.12 = 3,393,635.90/x - Step 3: Cross multiply
6,146,943.12x = 8,482,794.12 × 3,393,635.90 - Step 4: Simplify right side
6,146,943.12x = 28,787,514,615,526.93 - Step 5: Solve for x
x = 28,787,514,615,526.93/6,146,943.12 - Step 6: Final answer
x = 4,683,224.50
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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.