Finding the Fourth Proportional to 7,780,708.53, 10,737,351.09 and 4,342,919.49
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Solution
The fourth proportional to 7,780,708.53, 10,737,351.09 and 4,342,919.49 is: 5,993,214.00
Step by Step Solution
- Step 1: Write the proportion equation
7,780,708.53 : 10,737,351.09 = 4,342,919.49 : x - Step 2: Convert to fraction form
7,780,708.53/10,737,351.09 = 4,342,919.49/x - Step 3: Cross multiply
7,780,708.53x = 10,737,351.09 × 4,342,919.49 - Step 4: Simplify right side
7,780,708.53x = 46,631,451,319,733.74 - Step 5: Solve for x
x = 46,631,451,319,733.74/7,780,708.53 - Step 6: Final answer
x = 5,993,214.00
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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.