Finding the Fourth Proportional to 11,051,979.42, 15,245,893.36 and 7,608,241.74
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Solution
The fourth proportional to 11,051,979.42, 15,245,893.36 and 7,608,241.74 is: 10,495,354.53
Step by Step Solution
- Step 1: Write the proportion equation
11,051,979.42 : 15,245,893.36 = 7,608,241.74 : x - Step 2: Convert to fraction form
11,051,979.42/15,245,893.36 = 7,608,241.74/x - Step 3: Cross multiply
11,051,979.42x = 15,245,893.36 × 7,608,241.74 - Step 4: Simplify right side
11,051,979.42x = 115,994,442,225,140.84 - Step 5: Solve for x
x = 115,994,442,225,140.84/11,051,979.42 - Step 6: Final answer
x = 10,495,354.53
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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.