Finding the Fourth Proportional to 7,127,310.29, 9,843,806.98 and 4,831,485.17
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Solution
The fourth proportional to 7,127,310.29, 9,843,806.98 and 4,831,485.17 is: 6,672,953.12
Step by Step Solution
- Step 1: Write the proportion equation
7,127,310.29 : 9,843,806.98 = 4,831,485.17 : x - Step 2: Convert to fraction form
7,127,310.29/9,843,806.98 = 4,831,485.17/x - Step 3: Cross multiply
7,127,310.29x = 9,843,806.98 × 4,831,485.17 - Step 4: Simplify right side
7,127,310.29x = 47,560,207,397,032.80 - Step 5: Solve for x
x = 47,560,207,397,032.80/7,127,310.29 - Step 6: Final answer
x = 6,672,953.12
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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.