Finding the Fourth Proportional to 47,726,307.18, 65,860,450.11 and 29,172,512.79
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Solution
The fourth proportional to 47,726,307.18, 65,860,450.11 and 29,172,512.79 is: 40,256,934.52
Step by Step Solution
- Step 1: Write the proportion equation
47,726,307.18 : 65,860,450.11 = 29,172,512.79 : x - Step 2: Convert to fraction form
47,726,307.18/65,860,450.11 = 29,172,512.79/x - Step 3: Cross multiply
47,726,307.18x = 65,860,450.11 × 29,172,512.79 - Step 4: Simplify right side
47,726,307.18x = 1,921,314,823,189,131.75 - Step 5: Solve for x
x = 1,921,314,823,189,131.75/47,726,307.18 - Step 6: Final answer
x = 40,256,934.52
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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.