Finding the Fourth Proportional to 7,344,938.12, 10,135,209.75 and 4,246,992.66
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Solution
The fourth proportional to 7,344,938.12, 10,135,209.75 and 4,246,992.66 is: 5,860,384.49
Step by Step Solution
- Step 1: Write the proportion equation
7,344,938.12 : 10,135,209.75 = 4,246,992.66 : x - Step 2: Convert to fraction form
7,344,938.12/10,135,209.75 = 4,246,992.66/x - Step 3: Cross multiply
7,344,938.12x = 10,135,209.75 × 4,246,992.66 - Step 4: Simplify right side
7,344,938.12x = 43,044,161,415,810.44 - Step 5: Solve for x
x = 43,044,161,415,810.44/7,344,938.12 - Step 6: Final answer
x = 5,860,384.49
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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.