Finding the Fourth Proportional to 8,585,293.95, 11,845,122.08 and 5,146,280.19
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Solution
The fourth proportional to 8,585,293.95, 11,845,122.08 and 5,146,280.19 is: 7,100,317.99
Step by Step Solution
- Step 1: Write the proportion equation
8,585,293.95 : 11,845,122.08 = 5,146,280.19 : x - Step 2: Convert to fraction form
8,585,293.95/11,845,122.08 = 5,146,280.19/x - Step 3: Cross multiply
8,585,293.95x = 11,845,122.08 × 5,146,280.19 - Step 4: Simplify right side
8,585,293.95x = 60,958,317,082,704.20 - Step 5: Solve for x
x = 60,958,317,082,704.20/8,585,293.95 - Step 6: Final answer
x = 7,100,317.99
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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.