Finding the Fourth Proportional to 9,195,503.00, 12,690,187.74 and 5,121,122.00
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Solution
The fourth proportional to 9,195,503.00, 12,690,187.74 and 5,121,122.00 is: 7,067,367.56
Step by Step Solution
- Step 1: Write the proportion equation
9,195,503.00 : 12,690,187.74 = 5,121,122.00 : x - Step 2: Convert to fraction form
9,195,503.00/12,690,187.74 = 5,121,122.00/x - Step 3: Cross multiply
9,195,503.00x = 12,690,187.74 × 5,121,122.00 - Step 4: Simplify right side
9,195,503.00x = 64,987,999,555,993.34 - Step 5: Solve for x
x = 64,987,999,555,993.34/9,195,503.00 - Step 6: Final answer
x = 7,067,367.56
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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.