Finding the Fourth Proportional to 9,918,331.75, 14,883,237.49 and 4,160,549.73
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Solution
The fourth proportional to 9,918,331.75, 14,883,237.49 and 4,160,549.73 is: 6,243,232.36
Step by Step Solution
- Step 1: Write the proportion equation
9,918,331.75 : 14,883,237.49 = 4,160,549.73 : x - Step 2: Convert to fraction form
9,918,331.75/14,883,237.49 = 4,160,549.73/x - Step 3: Cross multiply
9,918,331.75x = 14,883,237.49 × 4,160,549.73 - Step 4: Simplify right side
9,918,331.75x = 61,922,449,720,545.38 - Step 5: Solve for x
x = 61,922,449,720,545.38/9,918,331.75 - Step 6: Final answer
x = 6,243,232.36
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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.