Finding the Fourth Proportional to 11,508,125.96, 15,881,135.62 and 6,351,487.40
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Solution
The fourth proportional to 11,508,125.96, 15,881,135.62 and 6,351,487.40 is: 8,765,009.45
Step by Step Solution
- Step 1: Write the proportion equation
11,508,125.96 : 15,881,135.62 = 6,351,487.40 : x - Step 2: Convert to fraction form
11,508,125.96/15,881,135.62 = 6,351,487.40/x - Step 3: Cross multiply
11,508,125.96x = 15,881,135.62 × 6,351,487.40 - Step 4: Simplify right side
11,508,125.96x = 100,868,832,788,121.19 - Step 5: Solve for x
x = 100,868,832,788,121.19/11,508,125.96 - Step 6: Final answer
x = 8,765,009.45
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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.