Finding the Fourth Proportional to 11,382,871.44, 15,708,486.12 and 6,226,119.60
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Solution
The fourth proportional to 11,382,871.44, 15,708,486.12 and 6,226,119.60 is: 8,592,112.62
Step by Step Solution
- Step 1: Write the proportion equation
11,382,871.44 : 15,708,486.12 = 6,226,119.60 : x - Step 2: Convert to fraction form
11,382,871.44/15,708,486.12 = 6,226,119.60/x - Step 3: Cross multiply
11,382,871.44x = 15,708,486.12 × 6,226,119.60 - Step 4: Simplify right side
11,382,871.44x = 97,802,913,318,059.94 - Step 5: Solve for x
x = 97,802,913,318,059.94/11,382,871.44 - Step 6: Final answer
x = 8,592,112.62
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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.