Finding the Fourth Proportional to 39,432,185.32, 54,694,808.71 and 38,383,475.08
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Solution
The fourth proportional to 39,432,185.32, 54,694,808.71 and 38,383,475.08 is: 53,240,184.64
Step by Step Solution
- Step 1: Write the proportion equation
39,432,185.32 : 54,694,808.71 = 38,383,475.08 : x - Step 2: Convert to fraction form
39,432,185.32/54,694,808.71 = 38,383,475.08/x - Step 3: Cross multiply
39,432,185.32x = 54,694,808.71 × 38,383,475.08 - Step 4: Simplify right side
39,432,185.32x = 2,099,376,827,125,652 - Step 5: Solve for x
x = 2,099,376,827,125,652/39,432,185.32 - Step 6: Final answer
x = 53,240,184.64
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.