Finding the Fourth Proportional to 9,924,691.80, 14,887,037.70 and 4,885,843.80
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Solution
The fourth proportional to 9,924,691.80, 14,887,037.70 and 4,885,843.80 is: 7,328,765.70
Step by Step Solution
- Step 1: Write the proportion equation
9,924,691.80 : 14,887,037.70 = 4,885,843.80 : x - Step 2: Convert to fraction form
9,924,691.80/14,887,037.70 = 4,885,843.80/x - Step 3: Cross multiply
9,924,691.80x = 14,887,037.70 × 4,885,843.80 - Step 4: Simplify right side
9,924,691.80x = 72,735,740,846,911.25 - Step 5: Solve for x
x = 72,735,740,846,911.25/9,924,691.80 - Step 6: Final answer
x = 7,328,765.70
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1.5x scale
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.