Finding the Fourth Proportional to 19,961,570.80, 29,952,724.20 and 9,324,002.80
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Solution
The fourth proportional to 19,961,570.80, 29,952,724.20 and 9,324,002.80 is: 13,990,847.07
Step by Step Solution
- Step 1: Write the proportion equation
19,961,570.80 : 29,952,724.20 = 9,324,002.80 : x - Step 2: Convert to fraction form
19,961,570.80/29,952,724.20 = 9,324,002.80/x - Step 3: Cross multiply
19,961,570.80x = 29,952,724.20 × 9,324,002.80 - Step 4: Simplify right side
19,961,570.80x = 279,279,284,308,427.78 - Step 5: Solve for x
x = 279,279,284,308,427.78/19,961,570.80 - Step 6: Final answer
x = 13,990,847.07
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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.