Finding the Fourth Proportional to 9,708,626.70, 13,402,942.16 and 7,092,193.18
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Solution
The fourth proportional to 9,708,626.70, 13,402,942.16 and 7,092,193.18 is: 9,790,906.37
Step by Step Solution
- Step 1: Write the proportion equation
9,708,626.70 : 13,402,942.16 = 7,092,193.18 : x - Step 2: Convert to fraction form
9,708,626.70/13,402,942.16 = 7,092,193.18/x - Step 3: Cross multiply
9,708,626.70x = 13,402,942.16 × 7,092,193.18 - Step 4: Simplify right side
9,708,626.70x = 95,056,254,979,086.47 - Step 5: Solve for x
x = 95,056,254,979,086.47/9,708,626.70 - Step 6: Final answer
x = 9,790,906.37
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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.