Finding the Fourth Proportional to 8,175,700.80, 12,263,551.20 and 6,581,377.80
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Solution
The fourth proportional to 8,175,700.80, 12,263,551.20 and 6,581,377.80 is: 9,872,066.70
Step by Step Solution
- Step 1: Write the proportion equation
8,175,700.80 : 12,263,551.20 = 6,581,377.80 : x - Step 2: Convert to fraction form
8,175,700.80/12,263,551.20 = 6,581,377.80/x - Step 3: Cross multiply
8,175,700.80x = 12,263,551.20 × 6,581,377.80 - Step 4: Simplify right side
8,175,700.80x = 80,711,063,616,843.36 - Step 5: Solve for x
x = 80,711,063,616,843.36/8,175,700.80 - Step 6: Final answer
x = 9,872,066.70
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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.