Finding the Fourth Proportional to 19,325,802.96, 28,987,947.88 and 6,546,307.67
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Solution
The fourth proportional to 19,325,802.96, 28,987,947.88 and 6,546,307.67 is: 9,819,205.23
Step by Step Solution
- Step 1: Write the proportion equation
19,325,802.96 : 28,987,947.88 = 6,546,307.67 : x - Step 2: Convert to fraction form
19,325,802.96/28,987,947.88 = 6,546,307.67/x - Step 3: Cross multiply
19,325,802.96x = 28,987,947.88 × 6,546,307.67 - Step 4: Simplify right side
19,325,802.96x = 189,764,025,544,404.22 - Step 5: Solve for x
x = 189,764,025,544,404.22/19,325,802.96 - Step 6: Final answer
x = 9,819,205.23
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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.