Finding the Fourth Proportional to 13,434,896.52, 18,539,457.66 and 7,632,873
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Solution
The fourth proportional to 13,434,896.52, 18,539,457.66 and 7,632,873 is: 10,532,967.31
Step by Step Solution
- Step 1: Write the proportion equation
13,434,896.52 : 18,539,457.66 = 7,632,873 : x - Step 2: Convert to fraction form
13,434,896.52/18,539,457.66 = 7,632,873/x - Step 3: Cross multiply
13,434,896.52x = 18,539,457.66 × 7,632,873 - Step 4: Simplify right side
13,434,896.52x = 141,509,325,807,657.19 - Step 5: Solve for x
x = 141,509,325,807,657.19/13,434,896.52 - Step 6: Final answer
x = 10,532,967.31
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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.