Finding the Fourth Proportional to 20,739,074.33, 28,617,752.07 and 11,446,473.05
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Solution
The fourth proportional to 20,739,074.33, 28,617,752.07 and 11,446,473.05 is: 15,794,934.84
Step by Step Solution
- Step 1: Write the proportion equation
20,739,074.33 : 28,617,752.07 = 11,446,473.05 : x - Step 2: Convert to fraction form
20,739,074.33/28,617,752.07 = 11,446,473.05/x - Step 3: Cross multiply
20,739,074.33x = 28,617,752.07 × 11,446,473.05 - Step 4: Simplify right side
20,739,074.33x = 327,572,327,677,747.94 - Step 5: Solve for x
x = 327,572,327,677,747.94/20,739,074.33 - Step 6: Final answer
x = 15,794,934.84
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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.