Finding the Fourth Proportional to 7,947,221.33, 11,903,451.97 and 5,634,704.79
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Solution
The fourth proportional to 7,947,221.33, 11,903,451.97 and 5,634,704.79 is: 8,439,734.47
Step by Step Solution
- Step 1: Write the proportion equation
7,947,221.33 : 11,903,451.97 = 5,634,704.79 : x - Step 2: Convert to fraction form
7,947,221.33/11,903,451.97 = 5,634,704.79/x - Step 3: Cross multiply
7,947,221.33x = 11,903,451.97 × 5,634,704.79 - Step 4: Simplify right side
7,947,221.33x = 67,072,437,820,111.14 - Step 5: Solve for x
x = 67,072,437,820,111.14/7,947,221.33 - Step 6: Final answer
x = 8,439,734.47
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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.