Finding the Fourth Proportional to 47,420,591.12, 65,440,482.36 and 25,690,559.12
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Solution
The fourth proportional to 47,420,591.12, 65,440,482.36 and 25,690,559.12 is: 35,453,007.67
Step by Step Solution
- Step 1: Write the proportion equation
47,420,591.12 : 65,440,482.36 = 25,690,559.12 : x - Step 2: Convert to fraction form
47,420,591.12/65,440,482.36 = 25,690,559.12/x - Step 3: Cross multiply
47,420,591.12x = 65,440,482.36 × 25,690,559.12 - Step 4: Simplify right side
47,420,591.12x = 1,681,202,580,910,897.25 - Step 5: Solve for x
x = 1,681,202,580,910,897.25/47,420,591.12 - Step 6: Final answer
x = 35,453,007.67
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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.