Finding the Fourth Proportional to 9,918,330.75, 14,883,235.99 and 4,160,548.73
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Solution
The fourth proportional to 9,918,330.75, 14,883,235.99 and 4,160,548.73 is: 6,243,230.85
Step by Step Solution
- Step 1: Write the proportion equation
9,918,330.75 : 14,883,235.99 = 4,160,548.73 : x - Step 2: Convert to fraction form
9,918,330.75/14,883,235.99 = 4,160,548.73/x - Step 3: Cross multiply
9,918,330.75x = 14,883,235.99 × 4,160,548.73 - Step 4: Simplify right side
9,918,330.75x = 61,922,428,511,667.24 - Step 5: Solve for x
x = 61,922,428,511,667.24/9,918,330.75 - Step 6: Final answer
x = 6,243,230.85
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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.