Finding the Fourth Proportional to 27,943,153.94, 38,545,208.14 and 18,160,113.99
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Solution
The fourth proportional to 27,943,153.94, 38,545,208.14 and 18,160,113.99 is: 25,050,335.22
Step by Step Solution
- Step 1: Write the proportion equation
27,943,153.94 : 38,545,208.14 = 18,160,113.99 : x - Step 2: Convert to fraction form
27,943,153.94/38,545,208.14 = 18,160,113.99/x - Step 3: Cross multiply
27,943,153.94x = 38,545,208.14 × 18,160,113.99 - Step 4: Simplify right side
27,943,153.94x = 699,985,373,443,220.75 - Step 5: Solve for x
x = 699,985,373,443,220.75/27,943,153.94 - Step 6: Final answer
x = 25,050,335.22
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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.