Finding the Fourth Proportional to 19,567,708.84, 27,002,530.74 and 10,866,436.12
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Solution
The fourth proportional to 19,567,708.84, 27,002,530.74 and 10,866,436.12 is: 14,995,177.91
Step by Step Solution
- Step 1: Write the proportion equation
19,567,708.84 : 27,002,530.74 = 10,866,436.12 : x - Step 2: Convert to fraction form
19,567,708.84/27,002,530.74 = 10,866,436.12/x - Step 3: Cross multiply
19,567,708.84x = 27,002,530.74 × 10,866,436.12 - Step 4: Simplify right side
19,567,708.84x = 293,421,275,364,546.31 - Step 5: Solve for x
x = 293,421,275,364,546.31/19,567,708.84 - Step 6: Final answer
x = 14,995,177.91
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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.