Finding the Fourth Proportional to 20,482,592.84, 30,739,007.28 and 9,699,872.84
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Solution
The fourth proportional to 20,482,592.84, 30,739,007.28 and 9,699,872.84 is: 14,556,968.65
Step by Step Solution
- Step 1: Write the proportion equation
20,482,592.84 : 30,739,007.28 = 9,699,872.84 : x - Step 2: Convert to fraction form
20,482,592.84/30,739,007.28 = 9,699,872.84/x - Step 3: Cross multiply
20,482,592.84x = 30,739,007.28 × 9,699,872.84 - Step 4: Simplify right side
20,482,592.84x = 298,164,461,843,834.31 - Step 5: Solve for x
x = 298,164,461,843,834.31/20,482,592.84 - Step 6: Final answer
x = 14,556,968.65
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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.