Finding the Fourth Proportional to 18,309,577.06, 25,266,855.54 and 10,361,972.26
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Solution
The fourth proportional to 18,309,577.06, 25,266,855.54 and 10,361,972.26 is: 14,299,317.53
Step by Step Solution
- Step 1: Write the proportion equation
18,309,577.06 : 25,266,855.54 = 10,361,972.26 : x - Step 2: Convert to fraction form
18,309,577.06/25,266,855.54 = 10,361,972.26/x - Step 3: Cross multiply
18,309,577.06x = 25,266,855.54 × 10,361,972.26 - Step 4: Simplify right side
18,309,577.06x = 261,814,456,202,907.31 - Step 5: Solve for x
x = 261,814,456,202,907.31/18,309,577.06 - Step 6: Final answer
x = 14,299,317.53
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1.5x scale
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.