Finding the Fourth Proportional to 9,905,149.80, 14,857,724.70 and 4,866,301.80
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Solution
The fourth proportional to 9,905,149.80, 14,857,724.70 and 4,866,301.80 is: 7,299,452.70
Step by Step Solution
- Step 1: Write the proportion equation
9,905,149.80 : 14,857,724.70 = 4,866,301.80 : x - Step 2: Convert to fraction form
9,905,149.80/14,857,724.70 = 4,866,301.80/x - Step 3: Cross multiply
9,905,149.80x = 14,857,724.70 × 4,866,301.80 - Step 4: Simplify right side
9,905,149.80x = 72,302,172,451,514.45 - Step 5: Solve for x
x = 72,302,172,451,514.45/9,905,149.80 - Step 6: Final answer
x = 7,299,452.70
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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.