Finding the Fourth Proportional to 10,601,828.70, 15,902,743.05 and 7,242,596.70
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Solution
The fourth proportional to 10,601,828.70, 15,902,743.05 and 7,242,596.70 is: 10,863,895.05
Step by Step Solution
- Step 1: Write the proportion equation
10,601,828.70 : 15,902,743.05 = 7,242,596.70 : x - Step 2: Convert to fraction form
10,601,828.70/15,902,743.05 = 7,242,596.70/x - Step 3: Cross multiply
10,601,828.70x = 15,902,743.05 × 7,242,596.70 - Step 4: Simplify right side
10,601,828.70x = 115,177,154,334,877.94 - Step 5: Solve for x
x = 115,177,154,334,877.94/10,601,828.70 - Step 6: Final answer
x = 10,863,895.05
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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.