Finding the Fourth Proportional to 11,118,453.08, 15,342,754.20 and 6,222,851.96
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Solution
The fourth proportional to 11,118,453.08, 15,342,754.20 and 6,222,851.96 is: 8,587,137.74
Step by Step Solution
- Step 1: Write the proportion equation
11,118,453.08 : 15,342,754.20 = 6,222,851.96 : x - Step 2: Convert to fraction form
11,118,453.08/15,342,754.20 = 6,222,851.96/x - Step 3: Cross multiply
11,118,453.08x = 15,342,754.20 × 6,222,851.96 - Step 4: Simplify right side
11,118,453.08x = 95,475,688,045,268.23 - Step 5: Solve for x
x = 95,475,688,045,268.23/11,118,453.08 - Step 6: Final answer
x = 8,587,137.74
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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.