Finding the Fourth Proportional to 36,669,959.20, 54,964,762.80 and 18,445,088.80
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Solution
The fourth proportional to 36,669,959.20, 54,964,762.80 and 18,445,088.80 is: 27,647,424.56
Step by Step Solution
- Step 1: Write the proportion equation
36,669,959.20 : 54,964,762.80 = 18,445,088.80 : x - Step 2: Convert to fraction form
36,669,959.20/54,964,762.80 = 18,445,088.80/x - Step 3: Cross multiply
36,669,959.20x = 54,964,762.80 × 18,445,088.80 - Step 4: Simplify right side
36,669,959.20x = 1,013,829,930,716,936.62 - Step 5: Solve for x
x = 1,013,829,930,716,936.62/36,669,959.20 - Step 6: Final answer
x = 27,647,424.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.