Finding the Fourth Proportional to 38,675,142.24, 53,373,219.06 and 21,273,106.69
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Solution
The fourth proportional to 38,675,142.24, 53,373,219.06 and 21,273,106.69 is: 29,357,724.83
Step by Step Solution
- Step 1: Write the proportion equation
38,675,142.24 : 53,373,219.06 = 21,273,106.69 : x - Step 2: Convert to fraction form
38,675,142.24/53,373,219.06 = 21,273,106.69/x - Step 3: Cross multiply
38,675,142.24x = 53,373,219.06 × 21,273,106.69 - Step 4: Simplify right side
38,675,142.24x = 1,135,414,183,452,121.75 - Step 5: Solve for x
x = 1,135,414,183,452,121.75/38,675,142.24 - Step 6: Final answer
x = 29,357,724.83
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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.