Finding the Fourth Proportional to 38,846,559.84, 53,608,243.68 and 21,442,900.32
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Solution
The fourth proportional to 38,846,559.84, 53,608,243.68 and 21,442,900.32 is: 29,591,197.53
Step by Step Solution
- Step 1: Write the proportion equation
38,846,559.84 : 53,608,243.68 = 21,442,900.32 : x - Step 2: Convert to fraction form
38,846,559.84/53,608,243.68 = 21,442,900.32/x - Step 3: Cross multiply
38,846,559.84x = 53,608,243.68 × 21,442,900.32 - Step 4: Simplify right side
38,846,559.84x = 1,149,516,225,560,510 - Step 5: Solve for x
x = 1,149,516,225,560,510/38,846,559.84 - Step 6: Final answer
x = 29,591,197.53
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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.