Finding the Fourth Proportional to 20,060,974.92, 27,683,749.98 and 11,801,929.80
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Solution
The fourth proportional to 20,060,974.92, 27,683,749.98 and 11,801,929.80 is: 16,286,430.50
Step by Step Solution
- Step 1: Write the proportion equation
20,060,974.92 : 27,683,749.98 = 11,801,929.80 : x - Step 2: Convert to fraction form
20,060,974.92/27,683,749.98 = 11,801,929.80/x - Step 3: Cross multiply
20,060,974.92x = 27,683,749.98 × 11,801,929.80 - Step 4: Simplify right side
20,060,974.92x = 326,721,673,864,711.44 - Step 5: Solve for x
x = 326,721,673,864,711.44/20,060,974.92 - Step 6: Final answer
x = 16,286,430.50
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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.