Finding the Fourth Proportional to 5,911,357.55, 8,157,673.49 and 3,195,103.55
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Solution
The fourth proportional to 5,911,357.55, 8,157,673.49 and 3,195,103.55 is: 4,409,242.93
Step by Step Solution
- Step 1: Write the proportion equation
5,911,357.55 : 8,157,673.49 = 3,195,103.55 : x - Step 2: Convert to fraction form
5,911,357.55/8,157,673.49 = 3,195,103.55/x - Step 3: Cross multiply
5,911,357.55x = 8,157,673.49 × 3,195,103.55 - Step 4: Simplify right side
5,911,357.55x = 26,064,611,470,876.00 - Step 5: Solve for x
x = 26,064,611,470,876.00/5,911,357.55 - Step 6: Final answer
x = 4,409,242.93
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.