Finding the Fourth Proportional to 10,204,032.56, 15,307,932.36 and 4,220,867.12
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Solution
The fourth proportional to 10,204,032.56, 15,307,932.36 and 4,220,867.12 is: 6,332,079.79
Step by Step Solution
- Step 1: Write the proportion equation
10,204,032.56 : 15,307,932.36 = 4,220,867.12 : x - Step 2: Convert to fraction form
10,204,032.56/15,307,932.36 = 4,220,867.12/x - Step 3: Cross multiply
10,204,032.56x = 15,307,932.36 × 4,220,867.12 - Step 4: Simplify right side
10,204,032.56x = 64,612,748,373,508 - Step 5: Solve for x
x = 64,612,748,373,508/10,204,032.56 - Step 6: Final answer
x = 6,332,079.79
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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.