Finding the Fourth Proportional to 19,935,383.13, 27,510,839.73 and 10,768,025.88
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Solution
The fourth proportional to 19,935,383.13, 27,510,839.73 and 10,768,025.88 is: 14,859,881.66
Step by Step Solution
- Step 1: Write the proportion equation
19,935,383.13 : 27,510,839.73 = 10,768,025.88 : x - Step 2: Convert to fraction form
19,935,383.13/27,510,839.73 = 10,768,025.88/x - Step 3: Cross multiply
19,935,383.13x = 27,510,839.73 × 10,768,025.88 - Step 4: Simplify right side
19,935,383.13x = 296,237,434,193,172.25 - Step 5: Solve for x
x = 296,237,434,193,172.25/19,935,383.13 - Step 6: Final answer
x = 14,859,881.66
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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.