Finding the Fourth Proportional to 7,135,894.14, 9,847,539.06 and 3,872,708.04
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Solution
The fourth proportional to 7,135,894.14, 9,847,539.06 and 3,872,708.04 is: 5,344,339.89
Step by Step Solution
- Step 1: Write the proportion equation
7,135,894.14 : 9,847,539.06 = 3,872,708.04 : x - Step 2: Convert to fraction form
7,135,894.14/9,847,539.06 = 3,872,708.04/x - Step 3: Cross multiply
7,135,894.14x = 9,847,539.06 × 3,872,708.04 - Step 4: Simplify right side
7,135,894.14x = 38,136,643,691,876.05 - Step 5: Solve for x
x = 38,136,643,691,876.05/7,135,894.14 - Step 6: Final answer
x = 5,344,339.89
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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.