Finding the Fourth Proportional to 29,519,478.18, 40,737,145.08 and 16,289,243.58
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Solution
The fourth proportional to 29,519,478.18, 40,737,145.08 and 16,289,243.58 is: 22,479,302.48
Step by Step Solution
- Step 1: Write the proportion equation
29,519,478.18 : 40,737,145.08 = 16,289,243.58 : x - Step 2: Convert to fraction form
29,519,478.18/40,737,145.08 = 16,289,243.58/x - Step 3: Cross multiply
29,519,478.18x = 40,737,145.08 × 16,289,243.58 - Step 4: Simplify right side
29,519,478.18x = 663,577,278,961,918.50 - Step 5: Solve for x
x = 663,577,278,961,918.50/29,519,478.18 - Step 6: Final answer
x = 22,479,302.48
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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.