Finding the Fourth Proportional to 7,329,874.50, 10,115,496.99 and 4,428,704.63
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Solution
The fourth proportional to 7,329,874.50, 10,115,496.99 and 4,428,704.63 is: 6,111,775.64
Step by Step Solution
- Step 1: Write the proportion equation
7,329,874.50 : 10,115,496.99 = 4,428,704.63 : x - Step 2: Convert to fraction form
7,329,874.50/10,115,496.99 = 4,428,704.63/x - Step 3: Cross multiply
7,329,874.50x = 10,115,496.99 × 4,428,704.63 - Step 4: Simplify right side
7,329,874.50x = 44,798,548,379,652.81 - Step 5: Solve for x
x = 44,798,548,379,652.81/7,329,874.50 - Step 6: Final answer
x = 6,111,775.64
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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.