Finding the Fourth Proportional to 19,017,804.08, 26,215,449.99 and 11,661,997.52
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Solution
The fourth proportional to 19,017,804.08, 26,215,449.99 and 11,661,997.52 is: 16,075,699.99
Step by Step Solution
- Step 1: Write the proportion equation
19,017,804.08 : 26,215,449.99 = 11,661,997.52 : x - Step 2: Convert to fraction form
19,017,804.08/26,215,449.99 = 11,661,997.52/x - Step 3: Cross multiply
19,017,804.08x = 26,215,449.99 × 11,661,997.52 - Step 4: Simplify right side
19,017,804.08x = 305,724,512,769,064 - Step 5: Solve for x
x = 305,724,512,769,064/19,017,804.08 - Step 6: Final answer
x = 16,075,699.99
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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.