Finding the Fourth Proportional to 27,187,656.59, 37,519,122.15 and 14,797,720.49
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Solution
The fourth proportional to 27,187,656.59, 37,519,122.15 and 14,797,720.49 is: 20,420,939.21
Step by Step Solution
- Step 1: Write the proportion equation
27,187,656.59 : 37,519,122.15 = 14,797,720.49 : x - Step 2: Convert to fraction form
27,187,656.59/37,519,122.15 = 14,797,720.49/x - Step 3: Cross multiply
27,187,656.59x = 37,519,122.15 × 14,797,720.49 - Step 4: Simplify right side
27,187,656.59x = 555,197,482,418,272.19 - Step 5: Solve for x
x = 555,197,482,418,272.19/27,187,656.59 - Step 6: Final answer
x = 20,420,939.21
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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.