Finding the Fourth Proportional to 18,175,217.40, 27,239,670.90 and 9,659,633.40
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Solution
The fourth proportional to 18,175,217.40, 27,239,670.90 and 9,659,633.40 is: 14,477,143.74
Step by Step Solution
- Step 1: Write the proportion equation
18,175,217.40 : 27,239,670.90 = 9,659,633.40 : x - Step 2: Convert to fraction form
18,175,217.40/27,239,670.90 = 9,659,633.40/x - Step 3: Cross multiply
18,175,217.40x = 27,239,670.90 × 9,659,633.40 - Step 4: Simplify right side
18,175,217.40x = 263,125,234,830,648.06 - Step 5: Solve for x
x = 263,125,234,830,648.06/18,175,217.40 - Step 6: Final answer
x = 14,477,143.74
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.