Finding the Fourth Proportional to 7,915,250.97, 10,923,231.32 and 4,430,503.07
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Solution
The fourth proportional to 7,915,250.97, 10,923,231.32 and 4,430,503.07 is: 6,114,197.77
Step by Step Solution
- Step 1: Write the proportion equation
7,915,250.97 : 10,923,231.32 = 4,430,503.07 : x - Step 2: Convert to fraction form
7,915,250.97/10,923,231.32 = 4,430,503.07/x - Step 3: Cross multiply
7,915,250.97x = 10,923,231.32 × 4,430,503.07 - Step 4: Simplify right side
7,915,250.97x = 48,395,409,820,811.48 - Step 5: Solve for x
x = 48,395,409,820,811.48/7,915,250.97 - Step 6: Final answer
x = 6,114,197.77
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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.