Finding the Fourth Proportional to 8,118,197.52, 11,202,971.08 and 4,447,186.96
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Solution
The fourth proportional to 8,118,197.52, 11,202,971.08 and 4,447,186.96 is: 6,137,040.49
Step by Step Solution
- Step 1: Write the proportion equation
8,118,197.52 : 11,202,971.08 = 4,447,186.96 : x - Step 2: Convert to fraction form
8,118,197.52/11,202,971.08 = 4,447,186.96/x - Step 3: Cross multiply
8,118,197.52x = 11,202,971.08 × 4,447,186.96 - Step 4: Simplify right side
8,118,197.52x = 49,821,706,900,233.12 - Step 5: Solve for x
x = 49,821,706,900,233.12/8,118,197.52 - Step 6: Final answer
x = 6,137,040.49
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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.