Finding the Fourth Proportional to 38,264,737.80, 57,397,106.70 and 21,258,625.80
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Solution
The fourth proportional to 38,264,737.80, 57,397,106.70 and 21,258,625.80 is: 31,887,938.70
Step by Step Solution
- Step 1: Write the proportion equation
38,264,737.80 : 57,397,106.70 = 21,258,625.80 : x - Step 2: Convert to fraction form
38,264,737.80/57,397,106.70 = 21,258,625.80/x - Step 3: Cross multiply
38,264,737.80x = 57,397,106.70 × 21,258,625.80 - Step 4: Simplify right side
38,264,737.80x = 1,220,183,613,337,973 - Step 5: Solve for x
x = 1,220,183,613,337,973/38,264,737.80 - Step 6: Final answer
x = 31,887,938.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.