Finding the Fourth Proportional to 6,799,010.20, 10,198,515.30 and 4,675,643.80
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Solution
The fourth proportional to 6,799,010.20, 10,198,515.30 and 4,675,643.80 is: 7,013,465.70
Step by Step Solution
- Step 1: Write the proportion equation
6,799,010.20 : 10,198,515.30 = 4,675,643.80 : x - Step 2: Convert to fraction form
6,799,010.20/10,198,515.30 = 4,675,643.80/x - Step 3: Cross multiply
6,799,010.20x = 10,198,515.30 × 4,675,643.80 - Step 4: Simplify right side
6,799,010.20x = 47,684,624,831,650.14 - Step 5: Solve for x
x = 47,684,624,831,650.14/6,799,010.20 - Step 6: Final answer
x = 7,013,465.70
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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.