Finding the Fourth Proportional to 19,550,944.88, 26,980,922.64 and 11,290,857.74
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Solution
The fourth proportional to 19,550,944.88, 26,980,922.64 and 11,290,857.74 is: 15,581,740.99
Step by Step Solution
- Step 1: Write the proportion equation
19,550,944.88 : 26,980,922.64 = 11,290,857.74 : x - Step 2: Convert to fraction form
19,550,944.88/26,980,922.64 = 11,290,857.74/x - Step 3: Cross multiply
19,550,944.88x = 26,980,922.64 × 11,290,857.74 - Step 4: Simplify right side
19,550,944.88x = 304,637,759,222,185.25 - Step 5: Solve for x
x = 304,637,759,222,185.25/19,550,944.88 - Step 6: Final answer
x = 15,581,740.99
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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.