Finding the Fourth Proportional to 10,366,288.30, 15,542,434.05 and 5,509,398.70
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Solution
The fourth proportional to 10,366,288.30, 15,542,434.05 and 5,509,398.70 is: 8,260,378.59
Step by Step Solution
- Step 1: Write the proportion equation
10,366,288.30 : 15,542,434.05 = 5,509,398.70 : x - Step 2: Convert to fraction form
10,366,288.30/15,542,434.05 = 5,509,398.70/x - Step 3: Cross multiply
10,366,288.30x = 15,542,434.05 × 5,509,398.70 - Step 4: Simplify right side
10,366,288.30x = 85,629,465,949,905.73 - Step 5: Solve for x
x = 85,629,465,949,905.73/10,366,288.30 - Step 6: Final answer
x = 8,260,378.59
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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.