Finding the Fourth Proportional to 11,177,655.63, 15,422,901.39 and 6,530,542.41
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Solution
The fourth proportional to 11,177,655.63, 15,422,901.39 and 6,530,542.41 is: 9,010,826.15
Step by Step Solution
- Step 1: Write the proportion equation
11,177,655.63 : 15,422,901.39 = 6,530,542.41 : x - Step 2: Convert to fraction form
11,177,655.63/15,422,901.39 = 6,530,542.41/x - Step 3: Cross multiply
11,177,655.63x = 15,422,901.39 × 6,530,542.41 - Step 4: Simplify right side
11,177,655.63x = 100,719,911,612,642.95 - Step 5: Solve for x
x = 100,719,911,612,642.95/11,177,655.63 - Step 6: Final answer
x = 9,010,826.15
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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.