Finding the Fourth Proportional to 13,305,252.15, 18,361,232.42 and 7,193,666.07
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Solution
The fourth proportional to 13,305,252.15, 18,361,232.42 and 7,193,666.07 is: 9,927,250.77
Step by Step Solution
- Step 1: Write the proportion equation
13,305,252.15 : 18,361,232.42 = 7,193,666.07 : x - Step 2: Convert to fraction form
13,305,252.15/18,361,232.42 = 7,193,666.07/x - Step 3: Cross multiply
13,305,252.15x = 18,361,232.42 × 7,193,666.07 - Step 4: Simplify right side
13,305,252.15x = 132,084,574,627,169.66 - Step 5: Solve for x
x = 132,084,574,627,169.66/13,305,252.15 - Step 6: Final answer
x = 9,927,250.77
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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.