Finding the Fourth Proportional to 19,486,597.80, 29,229,896.70 and 5,303,173.80
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Solution
The fourth proportional to 19,486,597.80, 29,229,896.70 and 5,303,173.80 is: 7,954,760.70
Step by Step Solution
- Step 1: Write the proportion equation
19,486,597.80 : 29,229,896.70 = 5,303,173.80 : x - Step 2: Convert to fraction form
19,486,597.80/29,229,896.70 = 5,303,173.80/x - Step 3: Cross multiply
19,486,597.80x = 29,229,896.70 × 5,303,173.80 - Step 4: Simplify right side
19,486,597.80x = 155,011,222,356,146.44 - Step 5: Solve for x
x = 155,011,222,356,146.44/19,486,597.80 - Step 6: Final answer
x = 7,954,760.70
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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.