Finding the Fourth Proportional to 7,297,871.44, 10,072,661.34 and 4,243,847.44
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Solution
The fourth proportional to 7,297,871.44, 10,072,661.34 and 4,243,847.44 is: 5,857,439.17
Step by Step Solution
- Step 1: Write the proportion equation
7,297,871.44 : 10,072,661.34 = 4,243,847.44 : x - Step 2: Convert to fraction form
7,297,871.44/10,072,661.34 = 4,243,847.44/x - Step 3: Cross multiply
7,297,871.44x = 10,072,661.34 × 4,243,847.44 - Step 4: Simplify right side
7,297,871.44x = 42,746,838,041,745.98 - Step 5: Solve for x
x = 42,746,838,041,745.98/7,297,871.44 - Step 6: Final answer
x = 5,857,439.17
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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.