Finding the Fourth Proportional to 16,254,851.75, 22,431,912.44 and 8,912,666.28
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Solution
The fourth proportional to 16,254,851.75, 22,431,912.44 and 8,912,666.28 is: 12,299,598.46
Step by Step Solution
- Step 1: Write the proportion equation
16,254,851.75 : 22,431,912.44 = 8,912,666.28 : x - Step 2: Convert to fraction form
16,254,851.75/22,431,912.44 = 8,912,666.28/x - Step 3: Cross multiply
16,254,851.75x = 22,431,912.44 × 8,912,666.28 - Step 4: Simplify right side
16,254,851.75x = 199,928,149,599,900.53 - Step 5: Solve for x
x = 199,928,149,599,900.53/16,254,851.75 - Step 6: Final answer
x = 12,299,598.46
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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.