Finding the Fourth Proportional to 7,705,414.40, 11,558,121.60 and 3,926,278.40
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Solution
The fourth proportional to 7,705,414.40, 11,558,121.60 and 3,926,278.40 is: 5,889,417.60
Step by Step Solution
- Step 1: Write the proportion equation
7,705,414.40 : 11,558,121.60 = 3,926,278.40 : x - Step 2: Convert to fraction form
7,705,414.40/11,558,121.60 = 3,926,278.40/x - Step 3: Cross multiply
7,705,414.40x = 11,558,121.60 × 3,926,278.40 - Step 4: Simplify right side
7,705,414.40x = 45,380,403,182,653.44 - Step 5: Solve for x
x = 45,380,403,182,653.44/7,705,414.40 - Step 6: Final answer
x = 5,889,417.60
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1.5x scale
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.