Finding the Fourth Proportional to 21,364,304.36, 29,482,700.10 and 11,574,991.84
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Solution
The fourth proportional to 21,364,304.36, 29,482,700.10 and 11,574,991.84 is: 15,973,467.11
Step by Step Solution
- Step 1: Write the proportion equation
21,364,304.36 : 29,482,700.10 = 11,574,991.84 : x - Step 2: Convert to fraction form
21,364,304.36/29,482,700.10 = 11,574,991.84/x - Step 3: Cross multiply
21,364,304.36x = 29,482,700.10 × 11,574,991.84 - Step 4: Simplify right side
21,364,304.36x = 341,262,013,078,667.19 - Step 5: Solve for x
x = 341,262,013,078,667.19/21,364,304.36 - Step 6: Final answer
x = 15,973,467.11
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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.