Finding the Fourth Proportional to 21,357,229.26, 29,472,797.79 and 11,567,446.14
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Solution
The fourth proportional to 21,357,229.26, 29,472,797.79 and 11,567,446.14 is: 15,962,978.95
Step by Step Solution
- Step 1: Write the proportion equation
21,357,229.26 : 29,472,797.79 = 11,567,446.14 : x - Step 2: Convert to fraction form
21,357,229.26/29,472,797.79 = 11,567,446.14/x - Step 3: Cross multiply
21,357,229.26x = 29,472,797.79 × 11,567,446.14 - Step 4: Simplify right side
21,357,229.26x = 340,925,001,030,936.06 - Step 5: Solve for x
x = 340,925,001,030,936.06/21,357,229.26 - Step 6: Final answer
x = 15,962,978.95
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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.