Finding the Fourth Proportional to 7,881,872.02, 10,877,104.11 and 4,617,905.74
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Solution
The fourth proportional to 7,881,872.02, 10,877,104.11 and 4,617,905.74 is: 6,372,780.65
Step by Step Solution
- Step 1: Write the proportion equation
7,881,872.02 : 10,877,104.11 = 4,617,905.74 : x - Step 2: Convert to fraction form
7,881,872.02/10,877,104.11 = 4,617,905.74/x - Step 3: Cross multiply
7,881,872.02x = 10,877,104.11 × 4,617,905.74 - Step 4: Simplify right side
7,881,872.02x = 50,229,441,504,146.59 - Step 5: Solve for x
x = 50,229,441,504,146.59/7,881,872.02 - Step 6: Final answer
x = 6,372,780.65
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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.