Finding the Fourth Proportional to 11,831,862.88, 16,327,971.99 and 6,399,354.88
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Solution
The fourth proportional to 11,831,862.88, 16,327,971.99 and 6,399,354.88 is: 8,831,110.39
Step by Step Solution
- Step 1: Write the proportion equation
11,831,862.88 : 16,327,971.99 = 6,399,354.88 : x - Step 2: Convert to fraction form
11,831,862.88/16,327,971.99 = 6,399,354.88/x - Step 3: Cross multiply
11,831,862.88x = 16,327,971.99 × 6,399,354.88 - Step 4: Simplify right side
11,831,862.88x = 104,488,487,121,073.17 - Step 5: Solve for x
x = 104,488,487,121,073.17/11,831,862.88 - Step 6: Final answer
x = 8,831,110.39
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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.