Finding the Fourth Proportional to 14,628,945.42, 20,187,057.12 and 8,102,184.12
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Solution
The fourth proportional to 14,628,945.42, 20,187,057.12 and 8,102,184.12 is: 11,180,522.51
Step by Step Solution
- Step 1: Write the proportion equation
14,628,945.42 : 20,187,057.12 = 8,102,184.12 : x - Step 2: Convert to fraction form
14,628,945.42/20,187,057.12 = 8,102,184.12/x - Step 3: Cross multiply
14,628,945.42x = 20,187,057.12 × 8,102,184.12 - Step 4: Simplify right side
14,628,945.42x = 163,559,253,627,196.94 - Step 5: Solve for x
x = 163,559,253,627,196.94/14,628,945.42 - Step 6: Final answer
x = 11,180,522.51
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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.