Finding the Fourth Proportional to 8,709,539.36, 12,019,211.06 and 4,789,548.27
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Solution
The fourth proportional to 8,709,539.36, 12,019,211.06 and 4,789,548.27 is: 6,609,602.32
Step by Step Solution
- Step 1: Write the proportion equation
8,709,539.36 : 12,019,211.06 = 4,789,548.27 : x - Step 2: Convert to fraction form
8,709,539.36/12,019,211.06 = 4,789,548.27/x - Step 3: Cross multiply
8,709,539.36x = 12,019,211.06 × 4,789,548.27 - Step 4: Simplify right side
8,709,539.36x = 57,566,591,515,240.12 - Step 5: Solve for x
x = 57,566,591,515,240.12/8,709,539.36 - Step 6: Final answer
x = 6,609,602.32
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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.