Finding the Fourth Proportional to 18,197,816.28, 27,310,281.50 and 13,352,643.06
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Solution
The fourth proportional to 18,197,816.28, 27,310,281.50 and 13,352,643.06 is: 20,038,912.09
Step by Step Solution
- Step 1: Write the proportion equation
18,197,816.28 : 27,310,281.50 = 13,352,643.06 : x - Step 2: Convert to fraction form
18,197,816.28/27,310,281.50 = 13,352,643.06/x - Step 3: Cross multiply
18,197,816.28x = 27,310,281.50 × 13,352,643.06 - Step 4: Simplify right side
18,197,816.28x = 364,664,440,737,621.38 - Step 5: Solve for x
x = 364,664,440,737,621.38/18,197,816.28 - Step 6: Final answer
x = 20,038,912.09
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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.