Finding the Fourth Proportional to 21,668,242.92, 32,492,915.52 and 8,195,623.08
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Solution
The fourth proportional to 21,668,242.92, 32,492,915.52 and 8,195,623.08 is: 12,289,860.76
Step by Step Solution
- Step 1: Write the proportion equation
21,668,242.92 : 32,492,915.52 = 8,195,623.08 : x - Step 2: Convert to fraction form
21,668,242.92/32,492,915.52 = 8,195,623.08/x - Step 3: Cross multiply
21,668,242.92x = 32,492,915.52 × 8,195,623.08 - Step 4: Simplify right side
21,668,242.92x = 266,299,688,372,202.19 - Step 5: Solve for x
x = 266,299,688,372,202.19/21,668,242.92 - Step 6: Final answer
x = 12,289,860.76
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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.