Finding the Fourth Proportional to 8,527,808.76, 11,768,406.66 and 4,660,330.44
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Solution
The fourth proportional to 8,527,808.76, 11,768,406.66 and 4,660,330.44 is: 6,431,272.71
Step by Step Solution
- Step 1: Write the proportion equation
8,527,808.76 : 11,768,406.66 = 4,660,330.44 : x - Step 2: Convert to fraction form
8,527,808.76/11,768,406.66 = 4,660,330.44/x - Step 3: Cross multiply
8,527,808.76x = 11,768,406.66 × 4,660,330.44 - Step 4: Simplify right side
8,527,808.76x = 54,844,663,787,896.73 - Step 5: Solve for x
x = 54,844,663,787,896.73/8,527,808.76 - Step 6: Final answer
x = 6,431,272.71
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Double scale
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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.