Finding the Fourth Proportional to 27,847,440.48, 38,427,544.05 and 15,456,559.13
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Solution
The fourth proportional to 27,847,440.48, 38,427,544.05 and 15,456,559.13 is: 21,328,983.80
Step by Step Solution
- Step 1: Write the proportion equation
27,847,440.48 : 38,427,544.05 = 15,456,559.13 : x - Step 2: Convert to fraction form
27,847,440.48/38,427,544.05 = 15,456,559.13/x - Step 3: Cross multiply
27,847,440.48x = 38,427,544.05 × 15,456,559.13 - Step 4: Simplify right side
27,847,440.48x = 593,957,606,829,504.62 - Step 5: Solve for x
x = 593,957,606,829,504.62/27,847,440.48 - Step 6: Final answer
x = 21,328,983.80
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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.