Finding the Fourth Proportional to 7,351,267.68, 10,143,262.80 and 4,294,891.44
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Solution
The fourth proportional to 7,351,267.68, 10,143,262.80 and 4,294,891.44 is: 5,926,081.66
Step by Step Solution
- Step 1: Write the proportion equation
7,351,267.68 : 10,143,262.80 = 4,294,891.44 : x - Step 2: Convert to fraction form
7,351,267.68/10,143,262.80 = 4,294,891.44/x - Step 3: Cross multiply
7,351,267.68x = 10,143,262.80 × 4,294,891.44 - Step 4: Simplify right side
7,351,267.68x = 43,564,212,573,390.44 - Step 5: Solve for x
x = 43,564,212,573,390.44/7,351,267.68 - Step 6: Final answer
x = 5,926,081.66
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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.