Finding the Fourth Proportional to 11,431,725.86, 15,775,804.08 and 6,786,442.50
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Solution
The fourth proportional to 11,431,725.86, 15,775,804.08 and 6,786,442.50 is: 9,365,303.95
Step by Step Solution
- Step 1: Write the proportion equation
11,431,725.86 : 15,775,804.08 = 6,786,442.50 : x - Step 2: Convert to fraction form
11,431,725.86/15,775,804.08 = 6,786,442.50/x - Step 3: Cross multiply
11,431,725.86x = 15,775,804.08 × 6,786,442.50 - Step 4: Simplify right side
11,431,725.86x = 107,061,587,280,185.41 - Step 5: Solve for x
x = 107,061,587,280,185.41/11,431,725.86 - Step 6: Final answer
x = 9,365,303.95
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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.