Finding the Fourth Proportional to 12,707,438.28, 17,536,400.28 and 6,906,220.44
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Solution
The fourth proportional to 12,707,438.28, 17,536,400.28 and 6,906,220.44 is: 9,530,657.82
Step by Step Solution
- Step 1: Write the proportion equation
12,707,438.28 : 17,536,400.28 = 6,906,220.44 : x - Step 2: Convert to fraction form
12,707,438.28/17,536,400.28 = 6,906,220.44/x - Step 3: Cross multiply
12,707,438.28x = 17,536,400.28 × 6,906,220.44 - Step 4: Simplify right side
12,707,438.28x = 121,110,246,057,757.73 - Step 5: Solve for x
x = 121,110,246,057,757.73/12,707,438.28 - Step 6: Final answer
x = 9,530,657.82
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1.5x scale
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.