Finding the Fourth Proportional to 7,176,926.76, 10,753,203.74 and 4,331,059.08
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Solution
The fourth proportional to 7,176,926.76, 10,753,203.74 and 4,331,059.08 is: 6,489,234.49
Step by Step Solution
- Step 1: Write the proportion equation
7,176,926.76 : 10,753,203.74 = 4,331,059.08 : x - Step 2: Convert to fraction form
7,176,926.76/10,753,203.74 = 4,331,059.08/x - Step 3: Cross multiply
7,176,926.76x = 10,753,203.74 × 4,331,059.08 - Step 4: Simplify right side
7,176,926.76x = 46,572,760,697,216.96 - Step 5: Solve for x
x = 46,572,760,697,216.96/7,176,926.76 - Step 6: Final answer
x = 6,489,234.49
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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.