Finding the Fourth Proportional to 7,512,434.78, 11,269,554.62 and 2,653,743.54
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Solution
The fourth proportional to 7,512,434.78, 11,269,554.62 and 2,653,743.54 is: 3,980,934.09
Step by Step Solution
- Step 1: Write the proportion equation
7,512,434.78 : 11,269,554.62 = 2,653,743.54 : x - Step 2: Convert to fraction form
7,512,434.78/11,269,554.62 = 2,653,743.54/x - Step 3: Cross multiply
7,512,434.78x = 11,269,554.62 × 2,653,743.54 - Step 4: Simplify right side
7,512,434.78x = 29,906,507,758,233.44 - Step 5: Solve for x
x = 29,906,507,758,233.44/7,512,434.78 - Step 6: Final answer
x = 3,980,934.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.