Finding the Fourth Proportional to 18,001,928.96, 24,842,737.62 and 9,741,991.58
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Solution
The fourth proportional to 18,001,928.96, 24,842,737.62 and 9,741,991.58 is: 13,443,989.32
Step by Step Solution
- Step 1: Write the proportion equation
18,001,928.96 : 24,842,737.62 = 9,741,991.58 : x - Step 2: Convert to fraction form
18,001,928.96/24,842,737.62 = 9,741,991.58/x - Step 3: Cross multiply
18,001,928.96x = 24,842,737.62 × 9,741,991.58 - Step 4: Simplify right side
18,001,928.96x = 242,017,740,718,189.25 - Step 5: Solve for x
x = 242,017,740,718,189.25/18,001,928.96 - Step 6: Final answer
x = 13,443,989.32
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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.