Finding the Fourth Proportional to 7,113,186.26, 9,815,152.23 and 3,973,063.08
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Solution
The fourth proportional to 7,113,186.26, 9,815,152.23 and 3,973,063.08 is: 5,482,243.47
Step by Step Solution
- Step 1: Write the proportion equation
7,113,186.26 : 9,815,152.23 = 3,973,063.08 : x - Step 2: Convert to fraction form
7,113,186.26/9,815,152.23 = 3,973,063.08/x - Step 3: Cross multiply
7,113,186.26x = 9,815,152.23 × 3,973,063.08 - Step 4: Simplify right side
7,113,186.26x = 38,996,218,905,189.47 - Step 5: Solve for x
x = 38,996,218,905,189.47/7,113,186.26 - Step 6: Final answer
x = 5,482,243.47
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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.