Finding the Fourth Proportional to 8,075,237.26, 11,141,013.38 and 5,176,226.66
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Solution
The fourth proportional to 8,075,237.26, 11,141,013.38 and 5,176,226.66 is: 7,141,388.99
Step by Step Solution
- Step 1: Write the proportion equation
8,075,237.26 : 11,141,013.38 = 5,176,226.66 : x - Step 2: Convert to fraction form
8,075,237.26/11,141,013.38 = 5,176,226.66/x - Step 3: Cross multiply
8,075,237.26x = 11,141,013.38 × 5,176,226.66 - Step 4: Simplify right side
8,075,237.26x = 57,668,410,476,972.72 - Step 5: Solve for x
x = 57,668,410,476,972.72/8,075,237.26 - Step 6: Final answer
x = 7,141,388.99
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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.