Finding the Fourth Proportional to 20,933,708.96, 31,400,538.16 and 6,557,896.48
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Solution
The fourth proportional to 20,933,708.96, 31,400,538.16 and 6,557,896.48 is: 9,836,836.80
Step by Step Solution
- Step 1: Write the proportion equation
20,933,708.96 : 31,400,538.16 = 6,557,896.48 : x - Step 2: Convert to fraction form
20,933,708.96/31,400,538.16 = 6,557,896.48/x - Step 3: Cross multiply
20,933,708.96x = 31,400,538.16 × 6,557,896.48 - Step 4: Simplify right side
20,933,708.96x = 205,921,478,669,569.69 - Step 5: Solve for x
x = 205,921,478,669,569.69/20,933,708.96 - Step 6: Final answer
x = 9,836,836.80
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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.