Finding the Fourth Proportional to 19,571,049.36, 29,344,945.68 and 7,441,399.80
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Solution
The fourth proportional to 19,571,049.36, 29,344,945.68 and 7,441,399.80 is: 11,157,678.31
Step by Step Solution
- Step 1: Write the proportion equation
19,571,049.36 : 29,344,945.68 = 7,441,399.80 : x - Step 2: Convert to fraction form
19,571,049.36/29,344,945.68 = 7,441,399.80/x - Step 3: Cross multiply
19,571,049.36x = 29,344,945.68 × 7,441,399.80 - Step 4: Simplify right side
19,571,049.36x = 218,367,472,914,162.84 - Step 5: Solve for x
x = 218,367,472,914,162.84/19,571,049.36 - Step 6: Final answer
x = 11,157,678.31
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1.5x scale
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.