Finding the Fourth Proportional to 12,099,644.73, 16,678,602.20 and 8,225,439.84
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Solution
The fourth proportional to 12,099,644.73, 16,678,602.20 and 8,225,439.84 is: 11,338,253.48
Step by Step Solution
- Step 1: Write the proportion equation
12,099,644.73 : 16,678,602.20 = 8,225,439.84 : x - Step 2: Convert to fraction form
12,099,644.73/16,678,602.20 = 8,225,439.84/x - Step 3: Cross multiply
12,099,644.73x = 16,678,602.20 × 8,225,439.84 - Step 4: Simplify right side
12,099,644.73x = 137,188,838,927,998.62 - Step 5: Solve for x
x = 137,188,838,927,998.62/12,099,644.73 - Step 6: Final answer
x = 11,338,253.48
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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.