Finding the Fourth Proportional to 7,961,740.14, 11,940,296.54 and 3,102,965.26
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Solution
The fourth proportional to 7,961,740.14, 11,940,296.54 and 3,102,965.26 is: 4,653,546.17
Step by Step Solution
- Step 1: Write the proportion equation
7,961,740.14 : 11,940,296.54 = 3,102,965.26 : x - Step 2: Convert to fraction form
7,961,740.14/11,940,296.54 = 3,102,965.26/x - Step 3: Cross multiply
7,961,740.14x = 11,940,296.54 × 3,102,965.26 - Step 4: Simplify right side
7,961,740.14x = 37,050,325,357,718.20 - Step 5: Solve for x
x = 37,050,325,357,718.20/7,961,740.14 - Step 6: Final answer
x = 4,653,546.17
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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.