Finding the Fourth Proportional to 16,797,916.85, 23,168,749.05 and 12,668,122.02
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Solution
The fourth proportional to 16,797,916.85, 23,168,749.05 and 12,668,122.02 is: 17,472,674.90
Step by Step Solution
- Step 1: Write the proportion equation
16,797,916.85 : 23,168,749.05 = 12,668,122.02 : x - Step 2: Convert to fraction form
16,797,916.85/23,168,749.05 = 12,668,122.02/x - Step 3: Cross multiply
16,797,916.85x = 23,168,749.05 × 12,668,122.02 - Step 4: Simplify right side
16,797,916.85x = 293,504,540,016,159.06 - Step 5: Solve for x
x = 293,504,540,016,159.06/16,797,916.85 - Step 6: Final answer
x = 17,472,674.90
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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.