Finding the Fourth Proportional to 12,036,900.36, 16,610,920.68 and 6,880,372.56
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Solution
The fourth proportional to 12,036,900.36, 16,610,920.68 and 6,880,372.56 is: 9,494,913.09
Step by Step Solution
- Step 1: Write the proportion equation
12,036,900.36 : 16,610,920.68 = 6,880,372.56 : x - Step 2: Convert to fraction form
12,036,900.36/16,610,920.68 = 6,880,372.56/x - Step 3: Cross multiply
12,036,900.36x = 16,610,920.68 × 6,880,372.56 - Step 4: Simplify right side
12,036,900.36x = 114,289,322,843,008.53 - Step 5: Solve for x
x = 114,289,322,843,008.53/12,036,900.36 - Step 6: Final answer
x = 9,494,913.09
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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.