Finding the Fourth Proportional to 36,860,864.40, 55,220,794.20 and 19,815,872.40
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Solution
The fourth proportional to 36,860,864.40, 55,220,794.20 and 19,815,872.40 is: 29,685,907.52
Step by Step Solution
- Step 1: Write the proportion equation
36,860,864.40 : 55,220,794.20 = 19,815,872.40 : x - Step 2: Convert to fraction form
36,860,864.40/55,220,794.20 = 19,815,872.40/x - Step 3: Cross multiply
36,860,864.40x = 55,220,794.20 × 19,815,872.40 - Step 4: Simplify right side
36,860,864.40x = 1,094,248,211,693,860 - Step 5: Solve for x
x = 1,094,248,211,693,860/36,860,864.40 - Step 6: Final answer
x = 29,685,907.52
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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.