Finding the Fourth Proportional to 7,533,731.13, 10,398,432.21 and 4,631,440.49
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Solution
The fourth proportional to 7,533,731.13, 10,398,432.21 and 4,631,440.49 is: 6,392,545.62
Step by Step Solution
- Step 1: Write the proportion equation
7,533,731.13 : 10,398,432.21 = 4,631,440.49 : x - Step 2: Convert to fraction form
7,533,731.13/10,398,432.21 = 4,631,440.49/x - Step 3: Cross multiply
7,533,731.13x = 10,398,432.21 × 4,631,440.49 - Step 4: Simplify right side
7,533,731.13x = 48,159,719,917,922.03 - Step 5: Solve for x
x = 48,159,719,917,922.03/7,533,731.13 - Step 6: Final answer
x = 6,392,545.62
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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.