Finding the Fourth Proportional to 22,128,187.20, 33,173,347.20 and 8,491,119.36
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Solution
The fourth proportional to 22,128,187.20, 33,173,347.20 and 8,491,119.36 is: 12,729,413.76
Step by Step Solution
- Step 1: Write the proportion equation
22,128,187.20 : 33,173,347.20 = 8,491,119.36 : x - Step 2: Convert to fraction form
22,128,187.20/33,173,347.20 = 8,491,119.36/x - Step 3: Cross multiply
22,128,187.20x = 33,173,347.20 × 8,491,119.36 - Step 4: Simplify right side
22,128,187.20x = 281,678,850,645,921.75 - Step 5: Solve for x
x = 281,678,850,645,921.75/22,128,187.20 - Step 6: Final answer
x = 12,729,413.76
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.