Finding the Fourth Proportional to 16,381,486.70, 24,572,230.05 and 5,020,459.10
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Solution
The fourth proportional to 16,381,486.70, 24,572,230.05 and 5,020,459.10 is: 7,530,688.65
Step by Step Solution
- Step 1: Write the proportion equation
16,381,486.70 : 24,572,230.05 = 5,020,459.10 : x - Step 2: Convert to fraction form
16,381,486.70/24,572,230.05 = 5,020,459.10/x - Step 3: Cross multiply
16,381,486.70x = 24,572,230.05 × 5,020,459.10 - Step 4: Simplify right side
16,381,486.70x = 123,363,875,961,815.95 - Step 5: Solve for x
x = 123,363,875,961,815.95/16,381,486.70 - Step 6: Final answer
x = 7,530,688.65
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Double scale
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Similar ratio
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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.