Finding the Fourth Proportional to 10,508,746.35, 15,763,611.60 and 3,320,842.80
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Solution
The fourth proportional to 10,508,746.35, 15,763,611.60 and 3,320,842.80 is: 4,981,419.70
Step by Step Solution
- Step 1: Write the proportion equation
10,508,746.35 : 15,763,611.60 = 3,320,842.80 : x - Step 2: Convert to fraction form
10,508,746.35/15,763,611.60 = 3,320,842.80/x - Step 3: Cross multiply
10,508,746.35x = 15,763,611.60 × 3,320,842.80 - Step 4: Simplify right side
10,508,746.35x = 52,348,476,083,856.48 - Step 5: Solve for x
x = 52,348,476,083,856.48/10,508,746.35 - Step 6: Final answer
x = 4,981,419.70
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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.