Finding the Fourth Proportional to 8,197,466.80, 11,313,463.68 and 6,818,377.44
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Solution
The fourth proportional to 8,197,466.80, 11,313,463.68 and 6,818,377.44 is: 9,410,158.94
Step by Step Solution
- Step 1: Write the proportion equation
8,197,466.80 : 11,313,463.68 = 6,818,377.44 : x - Step 2: Convert to fraction form
8,197,466.80/11,313,463.68 = 6,818,377.44/x - Step 3: Cross multiply
8,197,466.80x = 11,313,463.68 × 6,818,377.44 - Step 4: Simplify right side
8,197,466.80x = 77,139,465,523,971.38 - Step 5: Solve for x
x = 77,139,465,523,971.38/8,197,466.80 - Step 6: Final answer
x = 9,410,158.94
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1.5x scale
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.