Finding the Fourth Proportional to 11,578,230.54, 17,364,907.71 and 7,467,237.54
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Solution
The fourth proportional to 11,578,230.54, 17,364,907.71 and 7,467,237.54 is: 11,199,283.89
Step by Step Solution
- Step 1: Write the proportion equation
11,578,230.54 : 17,364,907.71 = 7,467,237.54 : x - Step 2: Convert to fraction form
11,578,230.54/17,364,907.71 = 7,467,237.54/x - Step 3: Cross multiply
11,578,230.54x = 17,364,907.71 × 7,467,237.54 - Step 4: Simplify right side
11,578,230.54x = 129,667,890,730,747.44 - Step 5: Solve for x
x = 129,667,890,730,747.44/11,578,230.54 - Step 6: Final answer
x = 11,199,283.89
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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.