Finding the Fourth Proportional to 11,347,455.48, 15,658,850.39 and 6,453,868.02
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Solution
The fourth proportional to 11,347,455.48, 15,658,850.39 and 6,453,868.02 is: 8,905,974.91
Step by Step Solution
- Step 1: Write the proportion equation
11,347,455.48 : 15,658,850.39 = 6,453,868.02 : x - Step 2: Convert to fraction form
11,347,455.48/15,658,850.39 = 6,453,868.02/x - Step 3: Cross multiply
11,347,455.48x = 15,658,850.39 × 6,453,868.02 - Step 4: Simplify right side
11,347,455.48x = 101,060,153,707,298.52 - Step 5: Solve for x
x = 101,060,153,707,298.52/11,347,455.48 - Step 6: Final answer
x = 8,905,974.91
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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.