Finding the Fourth Proportional to 7,904,651.84, 10,907,912.76 and 4,420,277.84
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Solution
The fourth proportional to 7,904,651.84, 10,907,912.76 and 4,420,277.84 is: 6,099,700.03
Step by Step Solution
- Step 1: Write the proportion equation
7,904,651.84 : 10,907,912.76 = 4,420,277.84 : x - Step 2: Convert to fraction form
7,904,651.84/10,907,912.76 = 4,420,277.84/x - Step 3: Cross multiply
7,904,651.84x = 10,907,912.76 × 4,420,277.84 - Step 4: Simplify right side
7,904,651.84x = 48,216,005,053,681.23 - Step 5: Solve for x
x = 48,216,005,053,681.23/7,904,651.84 - Step 6: Final answer
x = 6,099,700.03
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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.