Finding the Fourth Proportional to 18,712,193.99, 25,848,102.10 and 14,100,836.11
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Solution
The fourth proportional to 18,712,193.99, 25,848,102.10 and 14,100,836.11 is: 19,478,199.71
Step by Step Solution
- Step 1: Write the proportion equation
18,712,193.99 : 25,848,102.10 = 14,100,836.11 : x - Step 2: Convert to fraction form
18,712,193.99/25,848,102.10 = 14,100,836.11/x - Step 3: Cross multiply
18,712,193.99x = 25,848,102.10 × 14,100,836.11 - Step 4: Simplify right side
18,712,193.99x = 364,479,851,466,646.81 - Step 5: Solve for x
x = 364,479,851,466,646.81/18,712,193.99 - Step 6: Final answer
x = 19,478,199.71
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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.