Finding the Fourth Proportional to 18,474,756.46, 27,705,242.40 and 6,340,776.64
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Solution
The fourth proportional to 18,474,756.46, 27,705,242.40 and 6,340,776.64 is: 9,508,799.44
Step by Step Solution
- Step 1: Write the proportion equation
18,474,756.46 : 27,705,242.40 = 6,340,776.64 : x - Step 2: Convert to fraction form
18,474,756.46/27,705,242.40 = 6,340,776.64/x - Step 3: Cross multiply
18,474,756.46x = 27,705,242.40 × 6,340,776.64 - Step 4: Simplify right side
18,474,756.46x = 175,672,753,815,457.53 - Step 5: Solve for x
x = 175,672,753,815,457.53/18,474,756.46 - Step 6: Final answer
x = 9,508,799.44
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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.