Finding the Fourth Proportional to 18,043,792.74, 27,070,683.57 and 8,331,377.58
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Solution
The fourth proportional to 18,043,792.74, 27,070,683.57 and 8,331,377.58 is: 12,499,372.47
Step by Step Solution
- Step 1: Write the proportion equation
18,043,792.74 : 27,070,683.57 = 8,331,377.58 : x - Step 2: Convert to fraction form
18,043,792.74/27,070,683.57 = 8,331,377.58/x - Step 3: Cross multiply
18,043,792.74x = 27,070,683.57 × 8,331,377.58 - Step 4: Simplify right side
18,043,792.74x = 225,536,086,170,372.38 - Step 5: Solve for x
x = 225,536,086,170,372.38/18,043,792.74 - Step 6: Final answer
x = 12,499,372.47
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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.