Finding the Fourth Proportional to 32,517,155.16, 48,775,753.80 and 8,257,901.40
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Solution
The fourth proportional to 32,517,155.16, 48,775,753.80 and 8,257,901.40 is: 12,386,857.45
Step by Step Solution
- Step 1: Write the proportion equation
32,517,155.16 : 48,775,753.80 = 8,257,901.40 : x - Step 2: Convert to fraction form
32,517,155.16/48,775,753.80 = 8,257,901.40/x - Step 3: Cross multiply
32,517,155.16x = 48,775,753.80 × 8,257,901.40 - Step 4: Simplify right side
32,517,155.16x = 402,785,365,591,075.31 - Step 5: Solve for x
x = 402,785,365,591,075.31/32,517,155.16 - Step 6: Final answer
x = 12,386,857.45
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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.