Finding the Fourth Proportional to 10,310,356.21, 15,467,525.97 and 3,920,111.70
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Solution
The fourth proportional to 10,310,356.21, 15,467,525.97 and 3,920,111.70 is: 5,880,924.80
Step by Step Solution
- Step 1: Write the proportion equation
10,310,356.21 : 15,467,525.97 = 3,920,111.70 : x - Step 2: Convert to fraction form
10,310,356.21/15,467,525.97 = 3,920,111.70/x - Step 3: Cross multiply
10,310,356.21x = 15,467,525.97 × 3,920,111.70 - Step 4: Simplify right side
10,310,356.21x = 60,634,429,525,050.85 - Step 5: Solve for x
x = 60,634,429,525,050.85/10,310,356.21 - Step 6: Final answer
x = 5,880,924.80
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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.