Finding the Fourth Proportional to 14,286,307.97, 19,715,253.49 and 7,760,065.07
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Solution
The fourth proportional to 14,286,307.97, 19,715,253.49 and 7,760,065.07 is: 10,708,970.46
Step by Step Solution
- Step 1: Write the proportion equation
14,286,307.97 : 19,715,253.49 = 7,760,065.07 : x - Step 2: Convert to fraction form
14,286,307.97/19,715,253.49 = 7,760,065.07/x - Step 3: Cross multiply
14,286,307.97x = 19,715,253.49 × 7,760,065.07 - Step 4: Simplify right side
14,286,307.97x = 152,991,650,012,932.81 - Step 5: Solve for x
x = 152,991,650,012,932.81/14,286,307.97 - Step 6: Final answer
x = 10,708,970.46
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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.