Finding the Fourth Proportional to 11,091,722.46, 15,303,952.76 and 6,442,745.50
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Solution
The fourth proportional to 11,091,722.46, 15,303,952.76 and 6,442,745.50 is: 8,889,464.48
Step by Step Solution
- Step 1: Write the proportion equation
11,091,722.46 : 15,303,952.76 = 6,442,745.50 : x - Step 2: Convert to fraction form
11,091,722.46/15,303,952.76 = 6,442,745.50/x - Step 3: Cross multiply
11,091,722.46x = 15,303,952.76 × 6,442,745.50 - Step 4: Simplify right side
11,091,722.46x = 98,599,472,776,702.58 - Step 5: Solve for x
x = 98,599,472,776,702.58/11,091,722.46 - Step 6: Final answer
x = 8,889,464.48
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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.