Finding the Fourth Proportional to 29,309,789.88, 40,452,352.74 and 16,261,251.12
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Solution
The fourth proportional to 29,309,789.88, 40,452,352.74 and 16,261,251.12 is: 22,443,213.31
Step by Step Solution
- Step 1: Write the proportion equation
29,309,789.88 : 40,452,352.74 = 16,261,251.12 : x - Step 2: Convert to fraction form
29,309,789.88/40,452,352.74 = 16,261,251.12/x - Step 3: Cross multiply
29,309,789.88x = 40,452,352.74 × 16,261,251.12 - Step 4: Simplify right side
29,309,789.88x = 657,805,866,299,960.12 - Step 5: Solve for x
x = 657,805,866,299,960.12/29,309,789.88 - Step 6: Final answer
x = 22,443,213.31
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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.