Finding the Fourth Proportional to 7,882,012.14, 10,877,170.23 and 4,260,340.14
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Solution
The fourth proportional to 7,882,012.14, 10,877,170.23 and 4,260,340.14 is: 5,879,265.87
Step by Step Solution
- Step 1: Write the proportion equation
7,882,012.14 : 10,877,170.23 = 4,260,340.14 : x - Step 2: Convert to fraction form
7,882,012.14/10,877,170.23 = 4,260,340.14/x - Step 3: Cross multiply
7,882,012.14x = 10,877,170.23 × 4,260,340.14 - Step 4: Simplify right side
7,882,012.14x = 46,340,444,940,482.03 - Step 5: Solve for x
x = 46,340,444,940,482.03/7,882,012.14 - Step 6: Final answer
x = 5,879,265.87
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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.