Finding the Fourth Proportional to 29,962,427.78, 41,348,149.70 and 16,211,391.91
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Solution
The fourth proportional to 29,962,427.78, 41,348,149.70 and 16,211,391.91 is: 22,371,720.49
Step by Step Solution
- Step 1: Write the proportion equation
29,962,427.78 : 41,348,149.70 = 16,211,391.91 : x - Step 2: Convert to fraction form
29,962,427.78/41,348,149.70 = 16,211,391.91/x - Step 3: Cross multiply
29,962,427.78x = 41,348,149.70 × 16,211,391.91 - Step 4: Simplify right side
29,962,427.78x = 670,311,059,540,049 - Step 5: Solve for x
x = 670,311,059,540,049/29,962,427.78 - Step 6: Final answer
x = 22,371,720.49
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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.