Finding the Fourth Proportional to 8,687,450.36, 11,988,682.90 and 4,819,962.28
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Solution
The fourth proportional to 8,687,450.36, 11,988,682.90 and 4,819,962.28 is: 6,651,548.72
Step by Step Solution
- Step 1: Write the proportion equation
8,687,450.36 : 11,988,682.90 = 4,819,962.28 : x - Step 2: Convert to fraction form
8,687,450.36/11,988,682.90 = 4,819,962.28/x - Step 3: Cross multiply
8,687,450.36x = 11,988,682.90 × 4,819,962.28 - Step 4: Simplify right side
8,687,450.36x = 57,784,999,364,881.02 - Step 5: Solve for x
x = 57,784,999,364,881.02/8,687,450.36 - Step 6: Final answer
x = 6,651,548.72
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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.