Finding the Fourth Proportional to 40,419,975.24, 55,778,914.98 and 22,084,867.08
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Solution
The fourth proportional to 40,419,975.24, 55,778,914.98 and 22,084,867.08 is: 30,476,760.96
Step by Step Solution
- Step 1: Write the proportion equation
40,419,975.24 : 55,778,914.98 = 22,084,867.08 : x - Step 2: Convert to fraction form
40,419,975.24/55,778,914.98 = 22,084,867.08/x - Step 3: Cross multiply
40,419,975.24x = 55,778,914.98 × 22,084,867.08 - Step 4: Simplify right side
40,419,975.24x = 1,231,869,923,199,920.75 - Step 5: Solve for x
x = 1,231,869,923,199,920.75/40,419,975.24 - Step 6: Final answer
x = 30,476,760.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.