Finding the Fourth Proportional to 11,821,351.20, 17,732,026.80 and 2,845,903.20
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Solution
The fourth proportional to 11,821,351.20, 17,732,026.80 and 2,845,903.20 is: 4,268,854.80
Step by Step Solution
- Step 1: Write the proportion equation
11,821,351.20 : 17,732,026.80 = 2,845,903.20 : x - Step 2: Convert to fraction form
11,821,351.20/17,732,026.80 = 2,845,903.20/x - Step 3: Cross multiply
11,821,351.20x = 17,732,026.80 × 2,845,903.20 - Step 4: Simplify right side
11,821,351.20x = 50,463,631,812,605.77 - Step 5: Solve for x
x = 50,463,631,812,605.77/11,821,351.20 - Step 6: Final answer
x = 4,268,854.80
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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.