Finding the Fourth Proportional to 19,930,907.71, 27,504,651.74 and 10,763,549.65
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Solution
The fourth proportional to 19,930,907.71, 27,504,651.74 and 10,763,549.65 is: 14,853,698.03
Step by Step Solution
- Step 1: Write the proportion equation
19,930,907.71 : 27,504,651.74 = 10,763,549.65 : x - Step 2: Convert to fraction form
19,930,907.71/27,504,651.74 = 10,763,549.65/x - Step 3: Cross multiply
19,930,907.71x = 27,504,651.74 × 10,763,549.65 - Step 4: Simplify right side
19,930,907.71x = 296,047,684,609,448.88 - Step 5: Solve for x
x = 296,047,684,609,448.88/19,930,907.71 - Step 6: Final answer
x = 14,853,698.03
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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.