Finding the Fourth Proportional to 19,875,734.24, 27,428,250.48 and 11,055,125.60
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Solution
The fourth proportional to 19,875,734.24, 27,428,250.48 and 11,055,125.60 is: 15,255,927.17
Step by Step Solution
- Step 1: Write the proportion equation
19,875,734.24 : 27,428,250.48 = 11,055,125.60 : x - Step 2: Convert to fraction form
19,875,734.24/27,428,250.48 = 11,055,125.60/x - Step 3: Cross multiply
19,875,734.24x = 27,428,250.48 × 11,055,125.60 - Step 4: Simplify right side
19,875,734.24x = 303,222,754,044,660.31 - Step 5: Solve for x
x = 303,222,754,044,660.31/19,875,734.24 - Step 6: Final answer
x = 15,255,927.17
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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.