Finding the Fourth Proportional to 21,163,186.23, 31,690,934.19 and 13,952,844.06
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Solution
The fourth proportional to 21,163,186.23, 31,690,934.19 and 13,952,844.06 is: 20,893,766.09
Step by Step Solution
- Step 1: Write the proportion equation
21,163,186.23 : 31,690,934.19 = 13,952,844.06 : x - Step 2: Convert to fraction form
21,163,186.23/31,690,934.19 = 13,952,844.06/x - Step 3: Cross multiply
21,163,186.23x = 31,690,934.19 × 13,952,844.06 - Step 4: Simplify right side
21,163,186.23x = 442,178,662,868,792.44 - Step 5: Solve for x
x = 442,178,662,868,792.44/21,163,186.23 - Step 6: Final answer
x = 20,893,766.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.