Finding the Fourth Proportional to 17,998,625.20, 26,997,937.80 and 4,535,453.20
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Solution
The fourth proportional to 17,998,625.20, 26,997,937.80 and 4,535,453.20 is: 6,803,179.80
Step by Step Solution
- Step 1: Write the proportion equation
17,998,625.20 : 26,997,937.80 = 4,535,453.20 : x - Step 2: Convert to fraction form
17,998,625.20/26,997,937.80 = 4,535,453.20/x - Step 3: Cross multiply
17,998,625.20x = 26,997,937.80 × 4,535,453.20 - Step 4: Simplify right side
17,998,625.20x = 122,447,883,388,410.97 - Step 5: Solve for x
x = 122,447,883,388,410.97/17,998,625.20 - Step 6: Final answer
x = 6,803,179.80
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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.