Finding the Fourth Proportional to 21,695,118.97, 29,939,490.03 and 11,906,197.18
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Solution
The fourth proportional to 21,695,118.97, 29,939,490.03 and 11,906,197.18 is: 16,430,676.06
Step by Step Solution
- Step 1: Write the proportion equation
21,695,118.97 : 29,939,490.03 = 11,906,197.18 : x - Step 2: Convert to fraction form
21,695,118.97/29,939,490.03 = 11,906,197.18/x - Step 3: Cross multiply
21,695,118.97x = 29,939,490.03 × 11,906,197.18 - Step 4: Simplify right side
21,695,118.97x = 356,465,471,870,438.31 - Step 5: Solve for x
x = 356,465,471,870,438.31/21,695,118.97 - Step 6: Final answer
x = 16,430,676.06
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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.