Finding the Fourth Proportional to 11,322,241.76, 15,624,539.04 and 6,427,421.12
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Solution
The fourth proportional to 11,322,241.76, 15,624,539.04 and 6,427,421.12 is: 8,869,753.39
Step by Step Solution
- Step 1: Write the proportion equation
11,322,241.76 : 15,624,539.04 = 6,427,421.12 : x - Step 2: Convert to fraction form
11,322,241.76/15,624,539.04 = 6,427,421.12/x - Step 3: Cross multiply
11,322,241.76x = 15,624,539.04 × 6,427,421.12 - Step 4: Simplify right side
11,322,241.76x = 100,425,492,215,960.52 - Step 5: Solve for x
x = 100,425,492,215,960.52/11,322,241.76 - Step 6: Final answer
x = 8,869,753.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.