Finding the Fourth Proportional to 7,908,212.44, 11,862,381.84 and 5,178,062.08
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Solution
The fourth proportional to 7,908,212.44, 11,862,381.84 and 5,178,062.08 is: 7,767,134.49
Step by Step Solution
- Step 1: Write the proportion equation
7,908,212.44 : 11,862,381.84 = 5,178,062.08 : x - Step 2: Convert to fraction form
7,908,212.44/11,862,381.84 = 5,178,062.08/x - Step 3: Cross multiply
7,908,212.44x = 11,862,381.84 × 5,178,062.08 - Step 4: Simplify right side
7,908,212.44x = 61,424,149,584,184.62 - Step 5: Solve for x
x = 61,424,149,584,184.62/7,908,212.44 - Step 6: Final answer
x = 7,767,134.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.