Finding the Fourth Proportional to 17,872,318.55, 24,634,325.00 and 12,638,576.05
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Solution
The fourth proportional to 17,872,318.55, 24,634,325.00 and 12,638,576.05 is: 17,420,391.71
Step by Step Solution
- Step 1: Write the proportion equation
17,872,318.55 : 24,634,325.00 = 12,638,576.05 : x - Step 2: Convert to fraction form
17,872,318.55/24,634,325.00 = 12,638,576.05/x - Step 3: Cross multiply
17,872,318.55x = 24,634,325.00 × 12,638,576.05 - Step 4: Simplify right side
17,872,318.55x = 311,342,789,922,926.88 - Step 5: Solve for x
x = 311,342,789,922,926.88/17,872,318.55 - Step 6: Final answer
x = 17,420,391.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.