Finding the Fourth Proportional to 18,183,838.06, 27,267,721.89 and 6,816,312.46
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Solution
The fourth proportional to 18,183,838.06, 27,267,721.89 and 6,816,312.46 is: 10,221,456.65
Step by Step Solution
- Step 1: Write the proportion equation
18,183,838.06 : 27,267,721.89 = 6,816,312.46 : x - Step 2: Convert to fraction form
18,183,838.06/27,267,721.89 = 6,816,312.46/x - Step 3: Cross multiply
18,183,838.06x = 27,267,721.89 × 6,816,312.46 - Step 4: Simplify right side
18,183,838.06x = 185,865,312,474,621.75 - Step 5: Solve for x
x = 185,865,312,474,621.75/18,183,838.06 - Step 6: Final answer
x = 10,221,456.65
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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.