Finding the Fourth Proportional to 12,148,994.25, 16,765,961.99 and 6,716,836.17
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Solution
The fourth proportional to 12,148,994.25, 16,765,961.99 and 6,716,836.17 is: 9,269,427.38
Step by Step Solution
- Step 1: Write the proportion equation
12,148,994.25 : 16,765,961.99 = 6,716,836.17 : x - Step 2: Convert to fraction form
12,148,994.25/16,765,961.99 = 6,716,836.17/x - Step 3: Cross multiply
12,148,994.25x = 16,765,961.99 × 6,716,836.17 - Step 4: Simplify right side
12,148,994.25x = 112,614,219,885,693 - Step 5: Solve for x
x = 112,614,219,885,693/12,148,994.25 - Step 6: Final answer
x = 9,269,427.38
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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.