Finding the Fourth Proportional to 11,434,647.08, 15,779,844.02 and 6,278,342.60
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Solution
The fourth proportional to 11,434,647.08, 15,779,844.02 and 6,278,342.60 is: 8,664,129.84
Step by Step Solution
- Step 1: Write the proportion equation
11,434,647.08 : 15,779,844.02 = 6,278,342.60 : x - Step 2: Convert to fraction form
11,434,647.08/15,779,844.02 = 6,278,342.60/x - Step 3: Cross multiply
11,434,647.08x = 15,779,844.02 × 6,278,342.60 - Step 4: Simplify right side
11,434,647.08x = 99,071,266,932,121.25 - Step 5: Solve for x
x = 99,071,266,932,121.25/11,434,647.08 - Step 6: Final answer
x = 8,664,129.84
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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.