Finding the Fourth Proportional to 21,590,347.47, 29,794,607.18 and 11,800,785.99
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Solution
The fourth proportional to 21,590,347.47, 29,794,607.18 and 11,800,785.99 is: 16,285,045.13
Step by Step Solution
- Step 1: Write the proportion equation
21,590,347.47 : 29,794,607.18 = 11,800,785.99 : x - Step 2: Convert to fraction form
21,590,347.47/29,794,607.18 = 11,800,785.99/x - Step 3: Cross multiply
21,590,347.47x = 29,794,607.18 × 11,800,785.99 - Step 4: Simplify right side
21,590,347.47x = 351,599,782,972,546.44 - Step 5: Solve for x
x = 351,599,782,972,546.44/21,590,347.47 - Step 6: Final answer
x = 16,285,045.13
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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.