Finding the Fourth Proportional to 21,546,785.19, 29,735,280.36 and 11,757,766.44
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Solution
The fourth proportional to 21,546,785.19, 29,735,280.36 and 11,757,766.44 is: 16,226,108.83
Step by Step Solution
- Step 1: Write the proportion equation
21,546,785.19 : 29,735,280.36 = 11,757,766.44 : x - Step 2: Convert to fraction form
21,546,785.19/29,735,280.36 = 11,757,766.44/x - Step 3: Cross multiply
21,546,785.19x = 29,735,280.36 × 11,757,766.44 - Step 4: Simplify right side
21,546,785.19x = 349,620,481,500,799.12 - Step 5: Solve for x
x = 349,620,481,500,799.12/21,546,785.19 - Step 6: Final answer
x = 16,226,108.83
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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.