Finding the Fourth Proportional to 11,831,197.90, 16,327,053.09 and 6,398,689.90
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Solution
The fourth proportional to 11,831,197.90, 16,327,053.09 and 6,398,689.90 is: 8,830,192.06
Step by Step Solution
- Step 1: Write the proportion equation
11,831,197.90 : 16,327,053.09 = 6,398,689.90 : x - Step 2: Convert to fraction form
11,831,197.90/16,327,053.09 = 6,398,689.90/x - Step 3: Cross multiply
11,831,197.90x = 16,327,053.09 × 6,398,689.90 - Step 4: Simplify right side
11,831,197.90x = 104,471,749,703,746.80 - Step 5: Solve for x
x = 104,471,749,703,746.80/11,831,197.90 - Step 6: Final answer
x = 8,830,192.06
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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.