Finding the Fourth Proportional to 7,251,396.39, 10,881,886.14 and 3,414,316.23
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Solution
The fourth proportional to 7,251,396.39, 10,881,886.14 and 3,414,316.23 is: 5,123,730.45
Step by Step Solution
- Step 1: Write the proportion equation
7,251,396.39 : 10,881,886.14 = 3,414,316.23 : x - Step 2: Convert to fraction form
7,251,396.39/10,881,886.14 = 3,414,316.23/x - Step 3: Cross multiply
7,251,396.39x = 10,881,886.14 × 3,414,316.23 - Step 4: Simplify right side
7,251,396.39x = 37,154,200,460,814.05 - Step 5: Solve for x
x = 37,154,200,460,814.05/7,251,396.39 - Step 6: Final answer
x = 5,123,730.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.