Finding the Fourth Proportional to 18,432,022.24, 25,436,206.64 and 10,283,261.92
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Solution
The fourth proportional to 18,432,022.24, 25,436,206.64 and 10,283,261.92 is: 14,190,910.35
Step by Step Solution
- Step 1: Write the proportion equation
18,432,022.24 : 25,436,206.64 = 10,283,261.92 : x - Step 2: Convert to fraction form
18,432,022.24/25,436,206.64 = 10,283,261.92/x - Step 3: Cross multiply
18,432,022.24x = 25,436,206.64 × 10,283,261.92 - Step 4: Simplify right side
18,432,022.24x = 261,567,175,130,363.16 - Step 5: Solve for x
x = 261,567,175,130,363.16/18,432,022.24 - Step 6: Final answer
x = 14,190,910.35
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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.