Finding the Fourth Proportional to 21,355,390.64, 32,036,209.32 and 6,207,353.84
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Solution
The fourth proportional to 21,355,390.64, 32,036,209.32 and 6,207,353.84 is: 9,311,938.62
Step by Step Solution
- Step 1: Write the proportion equation
21,355,390.64 : 32,036,209.32 = 6,207,353.84 : x - Step 2: Convert to fraction form
21,355,390.64/32,036,209.32 = 6,207,353.84/x - Step 3: Cross multiply
21,355,390.64x = 32,036,209.32 × 6,207,353.84 - Step 4: Simplify right side
21,355,390.64x = 198,860,086,941,545.78 - Step 5: Solve for x
x = 198,860,086,941,545.78/21,355,390.64 - Step 6: Final answer
x = 9,311,938.62
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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.