Finding the Fourth Proportional to 23,040,641.80, 34,560,962.70 and 7,889,537.80
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Solution
The fourth proportional to 23,040,641.80, 34,560,962.70 and 7,889,537.80 is: 11,834,306.70
Step by Step Solution
- Step 1: Write the proportion equation
23,040,641.80 : 34,560,962.70 = 7,889,537.80 : x - Step 2: Convert to fraction form
23,040,641.80/34,560,962.70 = 7,889,537.80/x - Step 3: Cross multiply
23,040,641.80x = 34,560,962.70 × 7,889,537.80 - Step 4: Simplify right side
23,040,641.80x = 272,670,021,626,040.06 - Step 5: Solve for x
x = 272,670,021,626,040.06/23,040,641.80 - Step 6: Final answer
x = 11,834,306.70
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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.