Finding the Fourth Proportional to 18,450,760.95, 27,704,584.05 and 15,609,461.58
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Solution
The fourth proportional to 18,450,760.95, 27,704,584.05 and 15,609,461.58 is: 23,438,255.01
Step by Step Solution
- Step 1: Write the proportion equation
18,450,760.95 : 27,704,584.05 = 15,609,461.58 : x - Step 2: Convert to fraction form
18,450,760.95/27,704,584.05 = 15,609,461.58/x - Step 3: Cross multiply
18,450,760.95x = 27,704,584.05 × 15,609,461.58 - Step 4: Simplify right side
18,450,760.95x = 432,453,640,318,355.81 - Step 5: Solve for x
x = 432,453,640,318,355.81/18,450,760.95 - Step 6: Final answer
x = 23,438,255.01
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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.