Finding the Fourth Proportional to 17,485,964.60, 26,230,915.20 and 5,355,331.70
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Solution
The fourth proportional to 17,485,964.60, 26,230,915.20 and 5,355,331.70 is: 8,033,600.37
Step by Step Solution
- Step 1: Write the proportion equation
17,485,964.60 : 26,230,915.20 = 5,355,331.70 : x - Step 2: Convert to fraction form
17,485,964.60/26,230,915.20 = 5,355,331.70/x - Step 3: Cross multiply
17,485,964.60x = 26,230,915.20 × 5,355,331.70 - Step 4: Simplify right side
17,485,964.60x = 140,475,251,690,571.84 - Step 5: Solve for x
x = 140,475,251,690,571.84/17,485,964.60 - Step 6: Final answer
x = 8,033,600.37
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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.