Finding the Fourth Proportional to 16,316,866.72, 22,517,321.08 and 8,975,452.24
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Solution
The fourth proportional to 16,316,866.72, 22,517,321.08 and 8,975,452.24 is: 12,386,148.85
Step by Step Solution
- Step 1: Write the proportion equation
16,316,866.72 : 22,517,321.08 = 8,975,452.24 : x - Step 2: Convert to fraction form
16,316,866.72/22,517,321.08 = 8,975,452.24/x - Step 3: Cross multiply
16,316,866.72x = 22,517,321.08 × 8,975,452.24 - Step 4: Simplify right side
16,316,866.72x = 202,103,139,926,285.22 - Step 5: Solve for x
x = 202,103,139,926,285.22/16,316,866.72 - Step 6: Final answer
x = 12,386,148.85
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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.