Finding the Fourth Proportional to 11,582,912.74, 15,984,206.98 and 6,426,163.58
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Solution
The fourth proportional to 11,582,912.74, 15,984,206.98 and 6,426,163.58 is: 8,867,987.79
Step by Step Solution
- Step 1: Write the proportion equation
11,582,912.74 : 15,984,206.98 = 6,426,163.58 : x - Step 2: Convert to fraction form
11,582,912.74/15,984,206.98 = 6,426,163.58/x - Step 3: Cross multiply
11,582,912.74x = 15,984,206.98 × 6,426,163.58 - Step 4: Simplify right side
11,582,912.74x = 102,717,128,750,057.80 - Step 5: Solve for x
x = 102,717,128,750,057.80/11,582,912.74 - Step 6: Final answer
x = 8,867,987.79
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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.