Finding the Fourth Proportional to 16,323,280.80, 24,456,927.60 and 7,785,232.80
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Solution
The fourth proportional to 16,323,280.80, 24,456,927.60 and 7,785,232.80 is: 11,664,497.92
Step by Step Solution
- Step 1: Write the proportion equation
16,323,280.80 : 24,456,927.60 = 7,785,232.80 : x - Step 2: Convert to fraction form
16,323,280.80/24,456,927.60 = 7,785,232.80/x - Step 3: Cross multiply
16,323,280.80x = 24,456,927.60 × 7,785,232.80 - Step 4: Simplify right side
16,323,280.80x = 190,402,874,938,745.28 - Step 5: Solve for x
x = 190,402,874,938,745.28/16,323,280.80 - Step 6: Final answer
x = 11,664,497.92
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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.