Finding the Fourth Proportional to 20,940,038.51, 31,410,451.43 and 6,562,787.99
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Solution
The fourth proportional to 20,940,038.51, 31,410,451.43 and 6,562,787.99 is: 9,844,305.37
Step by Step Solution
- Step 1: Write the proportion equation
20,940,038.51 : 31,410,451.43 = 6,562,787.99 : x - Step 2: Convert to fraction form
20,940,038.51/31,410,451.43 = 6,562,787.99/x - Step 3: Cross multiply
20,940,038.51x = 31,410,451.43 × 6,562,787.99 - Step 4: Simplify right side
20,940,038.51x = 206,140,133,453,626.03 - Step 5: Solve for x
x = 206,140,133,453,626.03/20,940,038.51 - Step 6: Final answer
x = 9,844,305.37
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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.