Finding the Fourth Proportional to 19,571,630.87, 27,009,185.12 and 10,751,453.80
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Solution
The fourth proportional to 19,571,630.87, 27,009,185.12 and 10,751,453.80 is: 14,837,190.00
Step by Step Solution
- Step 1: Write the proportion equation
19,571,630.87 : 27,009,185.12 = 10,751,453.80 : x - Step 2: Convert to fraction form
19,571,630.87/27,009,185.12 = 10,751,453.80/x - Step 3: Cross multiply
19,571,630.87x = 27,009,185.12 × 10,751,453.80 - Step 4: Simplify right side
19,571,630.87x = 290,388,005,952,683.12 - Step 5: Solve for x
x = 290,388,005,952,683.12/19,571,630.87 - Step 6: Final answer
x = 14,837,190.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.