Finding the Fourth Proportional to 11,438,915.60, 17,158,358.91 and 2,919,252.26
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Solution
The fourth proportional to 11,438,915.60, 17,158,358.91 and 2,919,252.26 is: 4,378,874.69
Step by Step Solution
- Step 1: Write the proportion equation
11,438,915.60 : 17,158,358.91 = 2,919,252.26 : x - Step 2: Convert to fraction form
11,438,915.60/17,158,358.91 = 2,919,252.26/x - Step 3: Cross multiply
11,438,915.60x = 17,158,358.91 × 2,919,252.26 - Step 4: Simplify right side
11,438,915.60x = 50,089,578,025,908.63 - Step 5: Solve for x
x = 50,089,578,025,908.63/11,438,915.60 - Step 6: Final answer
x = 4,378,874.69
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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.