Finding the Fourth Proportional to 22,476,265.27, 31,017,246.12 and 12,162,988.36
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Solution
The fourth proportional to 22,476,265.27, 31,017,246.12 and 12,162,988.36 is: 16,784,923.97
Step by Step Solution
- Step 1: Write the proportion equation
22,476,265.27 : 31,017,246.12 = 12,162,988.36 : x - Step 2: Convert to fraction form
22,476,265.27/31,017,246.12 = 12,162,988.36/x - Step 3: Cross multiply
22,476,265.27x = 31,017,246.12 × 12,162,988.36 - Step 4: Simplify right side
22,476,265.27x = 377,262,403,516,815.19 - Step 5: Solve for x
x = 377,262,403,516,815.19/22,476,265.27 - Step 6: Final answer
x = 16,784,923.97
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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.