Finding the Fourth Proportional to 19,325,806.18, 28,987,952.72 and 6,546,310.90
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Solution
The fourth proportional to 19,325,806.18, 28,987,952.72 and 6,546,310.90 is: 9,819,210.08
Step by Step Solution
- Step 1: Write the proportion equation
19,325,806.18 : 28,987,952.72 = 6,546,310.90 : x - Step 2: Convert to fraction form
19,325,806.18/28,987,952.72 = 6,546,310.90/x - Step 3: Cross multiply
19,325,806.18x = 28,987,952.72 × 6,546,310.90 - Step 4: Simplify right side
19,325,806.18x = 189,764,150,754,419.22 - Step 5: Solve for x
x = 189,764,150,754,419.22/19,325,806.18 - Step 6: Final answer
x = 9,819,210.08
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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.