Finding the Fourth Proportional to 7,874,657.02, 11,812,970.49 and 3,081,727.18
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Solution
The fourth proportional to 7,874,657.02, 11,812,970.49 and 3,081,727.18 is: 4,622,976.23
Step by Step Solution
- Step 1: Write the proportion equation
7,874,657.02 : 11,812,970.49 = 3,081,727.18 : x - Step 2: Convert to fraction form
7,874,657.02/11,812,970.49 = 3,081,727.18/x - Step 3: Cross multiply
7,874,657.02x = 11,812,970.49 × 3,081,727.18 - Step 4: Simplify right side
7,874,657.02x = 36,404,352,235,570.92 - Step 5: Solve for x
x = 36,404,352,235,570.92/7,874,657.02 - Step 6: Final answer
x = 4,622,976.23
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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.