Finding the Fourth Proportional to 12,241,685.47, 18,363,556.14 and 3,722,095.75
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Solution
The fourth proportional to 12,241,685.47, 18,363,556.14 and 3,722,095.75 is: 5,583,456.17
Step by Step Solution
- Step 1: Write the proportion equation
12,241,685.47 : 18,363,556.14 = 3,722,095.75 : x - Step 2: Convert to fraction form
12,241,685.47/18,363,556.14 = 3,722,095.75/x - Step 3: Cross multiply
12,241,685.47x = 18,363,556.14 × 3,722,095.75 - Step 4: Simplify right side
12,241,685.47x = 68,350,914,263,580.41 - Step 5: Solve for x
x = 68,350,914,263,580.41/12,241,685.47 - Step 6: Final answer
x = 5,583,456.17
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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.