Finding the Fourth Proportional to 8,701,107.95, 13,026,999.62 and 7,230,344.99
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Solution
The fourth proportional to 8,701,107.95, 13,026,999.62 and 7,230,344.99 is: 10,825,023.88
Step by Step Solution
- Step 1: Write the proportion equation
8,701,107.95 : 13,026,999.62 = 7,230,344.99 : x - Step 2: Convert to fraction form
8,701,107.95/13,026,999.62 = 7,230,344.99/x - Step 3: Cross multiply
8,701,107.95x = 13,026,999.62 × 7,230,344.99 - Step 4: Simplify right side
8,701,107.95x = 94,189,701,390,139.78 - Step 5: Solve for x
x = 94,189,701,390,139.78/8,701,107.95 - Step 6: Final answer
x = 10,825,023.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.