Finding the Fourth Proportional to 16,505,655.32, 24,750,519.57 and 6,918,459.68
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Solution
The fourth proportional to 16,505,655.32, 24,750,519.57 and 6,918,459.68 is: 10,374,351.60
Step by Step Solution
- Step 1: Write the proportion equation
16,505,655.32 : 24,750,519.57 = 6,918,459.68 : x - Step 2: Convert to fraction form
16,505,655.32/24,750,519.57 = 6,918,459.68/x - Step 3: Cross multiply
16,505,655.32x = 24,750,519.57 × 6,918,459.68 - Step 4: Simplify right side
16,505,655.32x = 171,235,471,765,972.25 - Step 5: Solve for x
x = 171,235,471,765,972.25/16,505,655.32 - Step 6: Final answer
x = 10,374,351.60
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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.