Finding the Fourth Proportional to 6,867,974.63, 9,477,330.84 and 3,811,948.31
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Solution
The fourth proportional to 6,867,974.63, 9,477,330.84 and 3,811,948.31 is: 5,260,225.50
Step by Step Solution
- Step 1: Write the proportion equation
6,867,974.63 : 9,477,330.84 = 3,811,948.31 : x - Step 2: Convert to fraction form
6,867,974.63/9,477,330.84 = 3,811,948.31/x - Step 3: Cross multiply
6,867,974.63x = 9,477,330.84 × 3,811,948.31 - Step 4: Simplify right side
6,867,974.63x = 36,127,095,302,542.20 - Step 5: Solve for x
x = 36,127,095,302,542.20/6,867,974.63 - Step 6: Final answer
x = 5,260,225.50
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Double scale
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Similar ratio
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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.