Finding the Fourth Proportional to 12,097,277.10, 18,145,915.65 and 4,119,101.10
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Solution
The fourth proportional to 12,097,277.10, 18,145,915.65 and 4,119,101.10 is: 6,178,651.65
Step by Step Solution
- Step 1: Write the proportion equation
12,097,277.10 : 18,145,915.65 = 4,119,101.10 : x - Step 2: Convert to fraction form
12,097,277.10/18,145,915.65 = 4,119,101.10/x - Step 3: Cross multiply
12,097,277.10x = 18,145,915.65 × 4,119,101.10 - Step 4: Simplify right side
12,097,277.10x = 74,744,861,114,422.20 - Step 5: Solve for x
x = 74,744,861,114,422.20/12,097,277.10 - Step 6: Final answer
x = 6,178,651.65
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Double scale
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Similar ratio
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1.5x scale
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.