Finding the Fourth Proportional to 11,091,518.10, 15,303,671.82 and 6,442,540.74
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Solution
The fourth proportional to 11,091,518.10, 15,303,671.82 and 6,442,540.74 is: 8,889,182.55
Step by Step Solution
- Step 1: Write the proportion equation
11,091,518.10 : 15,303,671.82 = 6,442,540.74 : x - Step 2: Convert to fraction form
11,091,518.10/15,303,671.82 = 6,442,540.74/x - Step 3: Cross multiply
11,091,518.10x = 15,303,671.82 × 6,442,540.74 - Step 4: Simplify right side
11,091,518.10x = 98,594,529,171,939.95 - Step 5: Solve for x
x = 98,594,529,171,939.95/11,091,518.10 - Step 6: Final answer
x = 8,889,182.55
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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.