Finding the Fourth Proportional to 47,458,064.48, 65,491,539.24 and 27,880,737.48
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Solution
The fourth proportional to 47,458,064.48, 65,491,539.24 and 27,880,737.48 is: 38,475,071.26
Step by Step Solution
- Step 1: Write the proportion equation
47,458,064.48 : 65,491,539.24 = 27,880,737.48 : x - Step 2: Convert to fraction form
47,458,064.48/65,491,539.24 = 27,880,737.48/x - Step 3: Cross multiply
47,458,064.48x = 65,491,539.24 × 27,880,737.48 - Step 4: Simplify right side
47,458,064.48x = 1,825,952,412,711,558.75 - Step 5: Solve for x
x = 1,825,952,412,711,558.75/47,458,064.48 - Step 6: Final answer
x = 38,475,071.26
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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.