Finding the Fourth Proportional to 62,947,025.15, 86,864,857.53 and 36,128,769.95
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Solution
The fourth proportional to 62,947,025.15, 86,864,857.53 and 36,128,769.95 is: 49,856,533.28
Step by Step Solution
- Step 1: Write the proportion equation
62,947,025.15 : 86,864,857.53 = 36,128,769.95 : x - Step 2: Convert to fraction form
62,947,025.15/86,864,857.53 = 36,128,769.95/x - Step 3: Cross multiply
62,947,025.15x = 86,864,857.53 × 36,128,769.95 - Step 4: Simplify right side
62,947,025.15x = 3,138,320,454,006,571 - Step 5: Solve for x
x = 3,138,320,454,006,571/62,947,025.15 - Step 6: Final answer
x = 49,856,533.28
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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.