Finding the Fourth Proportional to 20,246,001.42, 27,914,138.12 and 16,897,974.14
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Solution
The fourth proportional to 20,246,001.42, 27,914,138.12 and 16,897,974.14 is: 23,298,051.52
Step by Step Solution
- Step 1: Write the proportion equation
20,246,001.42 : 27,914,138.12 = 16,897,974.14 : x - Step 2: Convert to fraction form
20,246,001.42/27,914,138.12 = 16,897,974.14/x - Step 3: Cross multiply
20,246,001.42x = 27,914,138.12 × 16,897,974.14 - Step 4: Simplify right side
20,246,001.42x = 471,692,384,092,148.25 - Step 5: Solve for x
x = 471,692,384,092,148.25/20,246,001.42 - Step 6: Final answer
x = 23,298,051.52
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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.