Finding the Fourth Proportional to 16,232,897.42, 22,400,969.69 and 9,263,450.05
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Solution
The fourth proportional to 16,232,897.42, 22,400,969.69 and 9,263,450.05 is: 12,783,316.40
Step by Step Solution
- Step 1: Write the proportion equation
16,232,897.42 : 22,400,969.69 = 9,263,450.05 : x - Step 2: Convert to fraction form
16,232,897.42/22,400,969.69 = 9,263,450.05/x - Step 3: Cross multiply
16,232,897.42x = 22,400,969.69 × 9,263,450.05 - Step 4: Simplify right side
16,232,897.42x = 207,510,263,794,879 - Step 5: Solve for x
x = 207,510,263,794,879/16,232,897.42 - Step 6: Final answer
x = 12,783,316.40
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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.