Finding the Fourth Proportional to 10,513,278.42, 15,769,812.53 and 3,324,813.54
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Solution
The fourth proportional to 10,513,278.42, 15,769,812.53 and 3,324,813.54 is: 4,987,187.07
Step by Step Solution
- Step 1: Write the proportion equation
10,513,278.42 : 15,769,812.53 = 3,324,813.54 : x - Step 2: Convert to fraction form
10,513,278.42/15,769,812.53 = 3,324,813.54/x - Step 3: Cross multiply
10,513,278.42x = 15,769,812.53 × 3,324,813.54 - Step 4: Simplify right side
10,513,278.42x = 52,431,686,211,853.90 - Step 5: Solve for x
x = 52,431,686,211,853.90/10,513,278.42 - Step 6: Final answer
x = 4,987,187.07
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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.