Finding the Fourth Proportional to 16,697,708.09, 23,042,435.21 and 9,355,850.68
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Solution
The fourth proportional to 16,697,708.09, 23,042,435.21 and 9,355,850.68 is: 12,910,848.72
Step by Step Solution
- Step 1: Write the proportion equation
16,697,708.09 : 23,042,435.21 = 9,355,850.68 : x - Step 2: Convert to fraction form
16,697,708.09/23,042,435.21 = 9,355,850.68/x - Step 3: Cross multiply
16,697,708.09x = 23,042,435.21 × 9,355,850.68 - Step 4: Simplify right side
16,697,708.09x = 215,581,583,102,238.09 - Step 5: Solve for x
x = 215,581,583,102,238.09/16,697,708.09 - Step 6: Final answer
x = 12,910,848.72
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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.