Finding the Fourth Proportional to 20,234,204.19, 27,921,506.36 and 11,413,168.11
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Solution
The fourth proportional to 20,234,204.19, 27,921,506.36 and 11,413,168.11 is: 15,749,215.68
Step by Step Solution
- Step 1: Write the proportion equation
20,234,204.19 : 27,921,506.36 = 11,413,168.11 : x - Step 2: Convert to fraction form
20,234,204.19/27,921,506.36 = 11,413,168.11/x - Step 3: Cross multiply
20,234,204.19x = 27,921,506.36 × 11,413,168.11 - Step 4: Simplify right side
20,234,204.19x = 318,672,845,914,048.31 - Step 5: Solve for x
x = 318,672,845,914,048.31/20,234,204.19 - Step 6: Final answer
x = 15,749,215.68
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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.