Finding the Fourth Proportional to 16,341,799.70, 24,459,555.45 and 12,728,000.90
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Solution
The fourth proportional to 16,341,799.70, 24,459,555.45 and 12,728,000.90 is: 19,050,609.45
Step by Step Solution
- Step 1: Write the proportion equation
16,341,799.70 : 24,459,555.45 = 12,728,000.90 : x - Step 2: Convert to fraction form
16,341,799.70/24,459,555.45 = 12,728,000.90/x - Step 3: Cross multiply
16,341,799.70x = 24,459,555.45 × 12,728,000.90 - Step 4: Simplify right side
16,341,799.70x = 311,321,243,781,199.88 - Step 5: Solve for x
x = 311,321,243,781,199.88/16,341,799.70 - Step 6: Final answer
x = 19,050,609.45
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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.