Finding the Fourth Proportional to 21,678,062.18, 32,513,928.05 and 6,321,225.20
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Solution
The fourth proportional to 21,678,062.18, 32,513,928.05 and 6,321,225.20 is: 9,480,914.83
Step by Step Solution
- Step 1: Write the proportion equation
21,678,062.18 : 32,513,928.05 = 6,321,225.20 : x - Step 2: Convert to fraction form
21,678,062.18/32,513,928.05 = 6,321,225.20/x - Step 3: Cross multiply
21,678,062.18x = 32,513,928.05 × 6,321,225.20 - Step 4: Simplify right side
21,678,062.18x = 205,527,861,146,471.12 - Step 5: Solve for x
x = 205,527,861,146,471.12/21,678,062.18 - Step 6: Final answer
x = 9,480,914.83
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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.