Finding the Fourth Proportional to 11,510,791.74, 15,884,930.66 and 6,354,140.99
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Solution
The fourth proportional to 11,510,791.74, 15,884,930.66 and 6,354,140.99 is: 8,768,735.57
Step by Step Solution
- Step 1: Write the proportion equation
11,510,791.74 : 15,884,930.66 = 6,354,140.99 : x - Step 2: Convert to fraction form
11,510,791.74/15,884,930.66 = 6,354,140.99/x - Step 3: Cross multiply
11,510,791.74x = 15,884,930.66 × 6,354,140.99 - Step 4: Simplify right side
11,510,791.74x = 100,935,088,918,818.39 - Step 5: Solve for x
x = 100,935,088,918,818.39/11,510,791.74 - Step 6: Final answer
x = 8,768,735.57
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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.