Finding the Fourth Proportional to 45,405,993.84, 68,049,847.08 and 18,448,134
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Solution
The fourth proportional to 45,405,993.84, 68,049,847.08 and 18,448,134 is: 27,648,171.34
Step by Step Solution
- Step 1: Write the proportion equation
45,405,993.84 : 68,049,847.08 = 18,448,134 : x - Step 2: Convert to fraction form
45,405,993.84/68,049,847.08 = 18,448,134/x - Step 3: Cross multiply
45,405,993.84x = 68,049,847.08 × 18,448,134 - Step 4: Simplify right side
45,405,993.84x = 1,255,392,697,611,348.75 - Step 5: Solve for x
x = 1,255,392,697,611,348.75/45,405,993.84 - Step 6: Final answer
x = 27,648,171.34
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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.