Finding the Fourth Proportional to 8,585,400.87, 11,845,269.54 and 5,146,387.11
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Solution
The fourth proportional to 8,585,400.87, 11,845,269.54 and 5,146,387.11 is: 7,100,465.48
Step by Step Solution
- Step 1: Write the proportion equation
8,585,400.87 : 11,845,269.54 = 5,146,387.11 : x - Step 2: Convert to fraction form
8,585,400.87/11,845,269.54 = 5,146,387.11/x - Step 3: Cross multiply
8,585,400.87x = 11,845,269.54 × 5,146,387.11 - Step 4: Simplify right side
8,585,400.87x = 60,960,342,475,131.62 - Step 5: Solve for x
x = 60,960,342,475,131.62/8,585,400.87 - Step 6: Final answer
x = 7,100,465.48
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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.