Finding the Fourth Proportional to 10,698,583.26, 14,764,044.90 and 6,115,003.05
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Solution
The fourth proportional to 10,698,583.26, 14,764,044.90 and 6,115,003.05 is: 8,438,704.21
Step by Step Solution
- Step 1: Write the proportion equation
10,698,583.26 : 14,764,044.90 = 6,115,003.05 : x - Step 2: Convert to fraction form
10,698,583.26/14,764,044.90 = 6,115,003.05/x - Step 3: Cross multiply
10,698,583.26x = 14,764,044.90 × 6,115,003.05 - Step 4: Simplify right side
10,698,583.26x = 90,282,179,593,836.94 - Step 5: Solve for x
x = 90,282,179,593,836.94/10,698,583.26 - Step 6: Final answer
x = 8,438,704.21
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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.