Finding the Fourth Proportional to 20,092,167.05, 27,739,076.74 and 12,656,203.31
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Solution
The fourth proportional to 20,092,167.05, 27,739,076.74 and 12,656,203.31 is: 17,473,047.79
Step by Step Solution
- Step 1: Write the proportion equation
20,092,167.05 : 27,739,076.74 = 12,656,203.31 : x - Step 2: Convert to fraction form
20,092,167.05/27,739,076.74 = 12,656,203.31/x - Step 3: Cross multiply
20,092,167.05x = 27,739,076.74 × 12,656,203.31 - Step 4: Simplify right side
20,092,167.05x = 351,071,394,890,839.19 - Step 5: Solve for x
x = 351,071,394,890,839.19/20,092,167.05 - Step 6: Final answer
x = 17,473,047.79
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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.