Finding the Fourth Proportional to 37,620,043.98, 51,916,198.69 and 28,184,115.84
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Solution
The fourth proportional to 37,620,043.98, 51,916,198.69 and 28,184,115.84 is: 38,894,482.92
Step by Step Solution
- Step 1: Write the proportion equation
37,620,043.98 : 51,916,198.69 = 28,184,115.84 : x - Step 2: Convert to fraction form
37,620,043.98/51,916,198.69 = 28,184,115.84/x - Step 3: Cross multiply
37,620,043.98x = 51,916,198.69 × 28,184,115.84 - Step 4: Simplify right side
37,620,043.98x = 1,463,212,157,851,416.25 - Step 5: Solve for x
x = 1,463,212,157,851,416.25/37,620,043.98 - Step 6: Final answer
x = 38,894,482.92
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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.