Finding the Fourth Proportional to 29,517,967.10, 40,732,826.30 and 16,959,425.78
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Solution
The fourth proportional to 29,517,967.10, 40,732,826.30 and 16,959,425.78 is: 23,402,876.70
Step by Step Solution
- Step 1: Write the proportion equation
29,517,967.10 : 40,732,826.30 = 16,959,425.78 : x - Step 2: Convert to fraction form
29,517,967.10/40,732,826.30 = 16,959,425.78/x - Step 3: Cross multiply
29,517,967.10x = 40,732,826.30 × 16,959,425.78 - Step 4: Simplify right side
29,517,967.10x = 690,805,344,525,114.75 - Step 5: Solve for x
x = 690,805,344,525,114.75/29,517,967.10 - Step 6: Final answer
x = 23,402,876.70
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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.