Finding the Fourth Proportional to 6,701,506.12, 9,976,464.05 and 6,661,648.84
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Solution
The fourth proportional to 6,701,506.12, 9,976,464.05 and 6,661,648.84 is: 9,917,128.92
Step by Step Solution
- Step 1: Write the proportion equation
6,701,506.12 : 9,976,464.05 = 6,661,648.84 : x - Step 2: Convert to fraction form
6,701,506.12/9,976,464.05 = 6,661,648.84/x - Step 3: Cross multiply
6,701,506.12x = 9,976,464.05 × 6,661,648.84 - Step 4: Simplify right side
6,701,506.12x = 66,459,700,165,984.20 - Step 5: Solve for x
x = 66,459,700,165,984.20/6,701,506.12 - Step 6: Final answer
x = 9,917,128.92
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.