Finding the Fourth Proportional to 19,474,795.46, 29,214,850.86 and 8,112,586.88
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Solution
The fourth proportional to 19,474,795.46, 29,214,850.86 and 8,112,586.88 is: 12,169,987.42
Step by Step Solution
- Step 1: Write the proportion equation
19,474,795.46 : 29,214,850.86 = 8,112,586.88 : x - Step 2: Convert to fraction form
19,474,795.46/29,214,850.86 = 8,112,586.88/x - Step 3: Cross multiply
19,474,795.46x = 29,214,850.86 × 8,112,586.88 - Step 4: Simplify right side
19,474,795.46x = 237,008,015,641,918.47 - Step 5: Solve for x
x = 237,008,015,641,918.47/19,474,795.46 - Step 6: Final answer
x = 12,169,987.42
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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.