Finding the Fourth Proportional to 18,212,272.75, 25,135,500.09 and 11,594,747.71
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Solution
The fourth proportional to 18,212,272.75, 25,135,500.09 and 11,594,747.71 is: 16,002,384.00
Step by Step Solution
- Step 1: Write the proportion equation
18,212,272.75 : 25,135,500.09 = 11,594,747.71 : x - Step 2: Convert to fraction form
18,212,272.75/25,135,500.09 = 11,594,747.71/x - Step 3: Cross multiply
18,212,272.75x = 25,135,500.09 × 11,594,747.71 - Step 4: Simplify right side
18,212,272.75x = 291,439,782,108,232.31 - Step 5: Solve for x
x = 291,439,782,108,232.31/18,212,272.75 - Step 6: Final answer
x = 16,002,384.00
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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.