Finding the Fourth Proportional to 38,555,524.80, 57,721,312.80 and 37,435,780.80
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Solution
The fourth proportional to 38,555,524.80, 57,721,312.80 and 37,435,780.80 is: 56,044,948.80
Step by Step Solution
- Step 1: Write the proportion equation
38,555,524.80 : 57,721,312.80 = 37,435,780.80 : x - Step 2: Convert to fraction form
38,555,524.80/57,721,312.80 = 37,435,780.80/x - Step 3: Cross multiply
38,555,524.80x = 57,721,312.80 × 37,435,780.80 - Step 4: Simplify right side
38,555,524.80x = 2,160,842,413,469,034 - Step 5: Solve for x
x = 2,160,842,413,469,034/38,555,524.80 - Step 6: Final answer
x = 56,044,948.80
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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.