Finding the Fourth Proportional to 11,232,845.13, 15,498,650.36 and 7,747,069.67
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Solution
The fourth proportional to 11,232,845.13, 15,498,650.36 and 7,747,069.67 is: 10,689,110.61
Step by Step Solution
- Step 1: Write the proportion equation
11,232,845.13 : 15,498,650.36 = 7,747,069.67 : x - Step 2: Convert to fraction form
11,232,845.13/15,498,650.36 = 7,747,069.67/x - Step 3: Cross multiply
11,232,845.13x = 15,498,650.36 × 7,747,069.67 - Step 4: Simplify right side
11,232,845.13x = 120,069,124,129,884.95 - Step 5: Solve for x
x = 120,069,124,129,884.95/11,232,845.13 - Step 6: Final answer
x = 10,689,110.61
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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.