Finding the Fourth Proportional to 10,509,564.08, 15,764,251.08 and 3,321,099.20
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Solution
The fourth proportional to 10,509,564.08, 15,764,251.08 and 3,321,099.20 is: 4,981,618.77
Step by Step Solution
- Step 1: Write the proportion equation
10,509,564.08 : 15,764,251.08 = 3,321,099.20 : x - Step 2: Convert to fraction form
10,509,564.08/15,764,251.08 = 3,321,099.20/x - Step 3: Cross multiply
10,509,564.08x = 15,764,251.08 × 3,321,099.20 - Step 4: Simplify right side
10,509,564.08x = 52,354,641,650,387.14 - Step 5: Solve for x
x = 52,354,641,650,387.14/10,509,564.08 - Step 6: Final answer
x = 4,981,618.77
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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.