Finding the Fourth Proportional to 7,494,394.28, 11,239,909.90 and 3,446,993.57
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Solution
The fourth proportional to 7,494,394.28, 11,239,909.90 and 3,446,993.57 is: 5,169,716.95
Step by Step Solution
- Step 1: Write the proportion equation
7,494,394.28 : 11,239,909.90 = 3,446,993.57 : x - Step 2: Convert to fraction form
7,494,394.28/11,239,909.90 = 3,446,993.57/x - Step 3: Cross multiply
7,494,394.28x = 11,239,909.90 × 3,446,993.57 - Step 4: Simplify right side
7,494,394.28x = 38,743,897,087,862.31 - Step 5: Solve for x
x = 38,743,897,087,862.31/7,494,394.28 - Step 6: Final answer
x = 5,169,716.95
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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.