Finding the Fourth Proportional to 8,101,201.70, 12,151,802.55 and 3,307,297.70
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Solution
The fourth proportional to 8,101,201.70, 12,151,802.55 and 3,307,297.70 is: 4,960,946.55
Step by Step Solution
- Step 1: Write the proportion equation
8,101,201.70 : 12,151,802.55 = 3,307,297.70 : x - Step 2: Convert to fraction form
8,101,201.70/12,151,802.55 = 3,307,297.70/x - Step 3: Cross multiply
8,101,201.70x = 12,151,802.55 × 3,307,297.70 - Step 4: Simplify right side
8,101,201.70x = 40,189,628,624,469.14 - Step 5: Solve for x
x = 40,189,628,624,469.14/8,101,201.70 - Step 6: Final answer
x = 4,960,946.55
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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.