Finding the Fourth Proportional to 18,039,570.18, 27,056,474.70 and 5,257,084.92
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Solution
The fourth proportional to 18,039,570.18, 27,056,474.70 and 5,257,084.92 is: 7,884,787.93
Step by Step Solution
- Step 1: Write the proportion equation
18,039,570.18 : 27,056,474.70 = 5,257,084.92 : x - Step 2: Convert to fraction form
18,039,570.18/27,056,474.70 = 5,257,084.92/x - Step 3: Cross multiply
18,039,570.18x = 27,056,474.70 × 5,257,084.92 - Step 4: Simplify right side
18,039,570.18x = 142,238,185,133,731.53 - Step 5: Solve for x
x = 142,238,185,133,731.53/18,039,570.18 - Step 6: Final answer
x = 7,884,787.93
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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.