Finding the Fourth Proportional to 27,831,092.07, 38,405,605.84 and 15,441,053.63
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Solution
The fourth proportional to 27,831,092.07, 38,405,605.84 and 15,441,053.63 is: 21,307,932.08
Step by Step Solution
- Step 1: Write the proportion equation
27,831,092.07 : 38,405,605.84 = 15,441,053.63 : x - Step 2: Convert to fraction form
27,831,092.07/38,405,605.84 = 15,441,053.63/x - Step 3: Cross multiply
27,831,092.07x = 38,405,605.84 × 15,441,053.63 - Step 4: Simplify right side
27,831,092.07x = 593,023,019,333,464.50 - Step 5: Solve for x
x = 593,023,019,333,464.50/27,831,092.07 - Step 6: Final answer
x = 21,307,932.08
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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.