Finding the Fourth Proportional to 20,064,121.08, 27,690,194.70 and 11,363,841.42
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Solution
The fourth proportional to 20,064,121.08, 27,690,194.70 and 11,363,841.42 is: 15,683,068.31
Step by Step Solution
- Step 1: Write the proportion equation
20,064,121.08 : 27,690,194.70 = 11,363,841.42 : x - Step 2: Convert to fraction form
20,064,121.08/27,690,194.70 = 11,363,841.42/x - Step 3: Cross multiply
20,064,121.08x = 27,690,194.70 × 11,363,841.42 - Step 4: Simplify right side
20,064,121.08x = 314,666,981,459,724.44 - Step 5: Solve for x
x = 314,666,981,459,724.44/20,064,121.08 - Step 6: Final answer
x = 15,683,068.31
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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.