Finding the Fourth Proportional to 18,996,672.93, 26,215,431.06 and 10,294,845.49
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Solution
The fourth proportional to 18,996,672.93, 26,215,431.06 and 10,294,845.49 is: 14,206,898.92
Step by Step Solution
- Step 1: Write the proportion equation
18,996,672.93 : 26,215,431.06 = 10,294,845.49 : x - Step 2: Convert to fraction form
18,996,672.93/26,215,431.06 = 10,294,845.49/x - Step 3: Cross multiply
18,996,672.93x = 26,215,431.06 × 10,294,845.49 - Step 4: Simplify right side
18,996,672.93x = 269,883,812,216,446.91 - Step 5: Solve for x
x = 269,883,812,216,446.91/18,996,672.93 - Step 6: Final answer
x = 14,206,898.92
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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.