Finding the Fourth Proportional to 38,349,780.80, 57,516,376.80 and 16,784,340.80
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Solution
The fourth proportional to 38,349,780.80, 57,516,376.80 and 16,784,340.80 is: 25,172,881.03
Step by Step Solution
- Step 1: Write the proportion equation
38,349,780.80 : 57,516,376.80 = 16,784,340.80 : x - Step 2: Convert to fraction form
38,349,780.80/57,516,376.80 = 16,784,340.80/x - Step 3: Cross multiply
38,349,780.80x = 57,516,376.80 × 16,784,340.80 - Step 4: Simplify right side
38,349,780.80x = 965,374,469,792,413.38 - Step 5: Solve for x
x = 965,374,469,792,413.38/38,349,780.80 - Step 6: Final answer
x = 25,172,881.03
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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.