Finding the Fourth Proportional to 27,685,937.52, 38,206,994.67 and 15,296,315.88
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Solution
The fourth proportional to 27,685,937.52, 38,206,994.67 and 15,296,315.88 is: 21,109,137.41
Step by Step Solution
- Step 1: Write the proportion equation
27,685,937.52 : 38,206,994.67 = 15,296,315.88 : x - Step 2: Convert to fraction form
27,685,937.52/38,206,994.67 = 15,296,315.88/x - Step 3: Cross multiply
27,685,937.52x = 38,206,994.67 × 15,296,315.88 - Step 4: Simplify right side
27,685,937.52x = 584,426,259,297,796.38 - Step 5: Solve for x
x = 584,426,259,297,796.38/27,685,937.52 - Step 6: Final answer
x = 21,109,137.41
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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.