Finding the Fourth Proportional to 10,398,415.76, 15,599,042.96 and 4,331,728.42
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Solution
The fourth proportional to 10,398,415.76, 15,599,042.96 and 4,331,728.42 is: 6,498,183.89
Step by Step Solution
- Step 1: Write the proportion equation
10,398,415.76 : 15,599,042.96 = 4,331,728.42 : x - Step 2: Convert to fraction form
10,398,415.76/15,599,042.96 = 4,331,728.42/x - Step 3: Cross multiply
10,398,415.76x = 15,599,042.96 × 4,331,728.42 - Step 4: Simplify right side
10,398,415.76x = 67,570,817,745,980.84 - Step 5: Solve for x
x = 67,570,817,745,980.84/10,398,415.76 - Step 6: Final answer
x = 6,498,183.89
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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.