Finding the Fourth Proportional to 16,128,981.60, 24,193,472.40 and 14,239,413.60
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Solution
The fourth proportional to 16,128,981.60, 24,193,472.40 and 14,239,413.60 is: 21,359,120.40
Step by Step Solution
- Step 1: Write the proportion equation
16,128,981.60 : 24,193,472.40 = 14,239,413.60 : x - Step 2: Convert to fraction form
16,128,981.60/24,193,472.40 = 14,239,413.60/x - Step 3: Cross multiply
16,128,981.60x = 24,193,472.40 × 14,239,413.60 - Step 4: Simplify right side
16,128,981.60x = 344,500,859,923,784.62 - Step 5: Solve for x
x = 344,500,859,923,784.62/16,128,981.60 - Step 6: Final answer
x = 21,359,120.40
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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.