Finding the Fourth Proportional to 36,905,946.20, 55,358,919.30 and 21,537,459.80
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Solution
The fourth proportional to 36,905,946.20, 55,358,919.30 and 21,537,459.80 is: 32,306,189.70
Step by Step Solution
- Step 1: Write the proportion equation
36,905,946.20 : 55,358,919.30 = 21,537,459.80 : x - Step 2: Convert to fraction form
36,905,946.20/55,358,919.30 = 21,537,459.80/x - Step 3: Cross multiply
36,905,946.20x = 55,358,919.30 × 21,537,459.80 - Step 4: Simplify right side
36,905,946.20x = 1,192,290,498,995,194 - Step 5: Solve for x
x = 1,192,290,498,995,194/36,905,946.20 - Step 6: Final answer
x = 32,306,189.70
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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.