Finding the Fourth Proportional to 11,979,149.44, 16,531,189.60 and 6,546,641.60
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Solution
The fourth proportional to 11,979,149.44, 16,531,189.60 and 6,546,641.60 is: 9,034,345.39
Step by Step Solution
- Step 1: Write the proportion equation
11,979,149.44 : 16,531,189.60 = 6,546,641.60 : x - Step 2: Convert to fraction form
11,979,149.44/16,531,189.60 = 6,546,641.60/x - Step 3: Cross multiply
11,979,149.44x = 16,531,189.60 × 6,546,641.60 - Step 4: Simplify right side
11,979,149.44x = 108,223,773,532,847.34 - Step 5: Solve for x
x = 108,223,773,532,847.34/11,979,149.44 - Step 6: Final answer
x = 9,034,345.39
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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.