Finding the Fourth Proportional to 7,201,630.80, 10,802,446.20 and 6,676,750.80
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Solution
The fourth proportional to 7,201,630.80, 10,802,446.20 and 6,676,750.80 is: 10,015,126.20
Step by Step Solution
- Step 1: Write the proportion equation
7,201,630.80 : 10,802,446.20 = 6,676,750.80 : x - Step 2: Convert to fraction form
7,201,630.80/10,802,446.20 = 6,676,750.80/x - Step 3: Cross multiply
7,201,630.80x = 10,802,446.20 × 6,676,750.80 - Step 4: Simplify right side
7,201,630.80x = 72,125,241,307,806.95 - Step 5: Solve for x
x = 72,125,241,307,806.95/7,201,630.80 - Step 6: Final answer
x = 10,015,126.20
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1.5x scale
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.