Finding the Fourth Proportional to 29,433,971.46, 40,618,881.17 and 16,384,313.17
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Solution
The fourth proportional to 29,433,971.46, 40,618,881.17 and 16,384,313.17 is: 22,610,352.48
Step by Step Solution
- Step 1: Write the proportion equation
29,433,971.46 : 40,618,881.17 = 16,384,313.17 : x - Step 2: Convert to fraction form
29,433,971.46/40,618,881.17 = 16,384,313.17/x - Step 3: Cross multiply
29,433,971.46x = 40,618,881.17 × 16,384,313.17 - Step 4: Simplify right side
29,433,971.46x = 665,512,469,734,622 - Step 5: Solve for x
x = 665,512,469,734,622/29,433,971.46 - Step 6: Final answer
x = 22,610,352.48
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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.