Finding the Fourth Proportional to 7,457,121.40, 11,185,688.38 and 3,565,662.96
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Solution
The fourth proportional to 7,457,121.40, 11,185,688.38 and 3,565,662.96 is: 5,348,497.44
Step by Step Solution
- Step 1: Write the proportion equation
7,457,121.40 : 11,185,688.38 = 3,565,662.96 : x - Step 2: Convert to fraction form
7,457,121.40/11,185,688.38 = 3,565,662.96/x - Step 3: Cross multiply
7,457,121.40x = 11,185,688.38 × 3,565,662.96 - Step 4: Simplify right side
7,457,121.40x = 39,884,394,738,668.41 - Step 5: Solve for x
x = 39,884,394,738,668.41/7,457,121.40 - Step 6: Final answer
x = 5,348,497.44
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.