Finding the Fourth Proportional to 18,303,006.06, 25,258,138.62 and 10,043,122.62
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Solution
The fourth proportional to 18,303,006.06, 25,258,138.62 and 10,043,122.62 is: 13,859,503.87
Step by Step Solution
- Step 1: Write the proportion equation
18,303,006.06 : 25,258,138.62 = 10,043,122.62 : x - Step 2: Convert to fraction form
18,303,006.06/25,258,138.62 = 10,043,122.62/x - Step 3: Cross multiply
18,303,006.06x = 25,258,138.62 × 10,043,122.62 - Step 4: Simplify right side
18,303,006.06x = 253,670,583,313,617.56 - Step 5: Solve for x
x = 253,670,583,313,617.56/18,303,006.06 - Step 6: Final answer
x = 13,859,503.87
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.