Finding the Fourth Proportional to 11,888,317.36, 16,405,600.32 and 6,993,854.56
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Solution
The fourth proportional to 11,888,317.36, 16,405,600.32 and 6,993,854.56 is: 9,651,355.96
Step by Step Solution
- Step 1: Write the proportion equation
11,888,317.36 : 16,405,600.32 = 6,993,854.56 : x - Step 2: Convert to fraction form
11,888,317.36/16,405,600.32 = 6,993,854.56/x - Step 3: Cross multiply
11,888,317.36x = 16,405,600.32 × 6,993,854.56 - Step 4: Simplify right side
11,888,317.36x = 114,738,382,607,569.45 - Step 5: Solve for x
x = 114,738,382,607,569.45/11,888,317.36 - Step 6: Final answer
x = 9,651,355.96
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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.