Finding the Fourth Proportional to 27,519,630.16, 37,977,113.92 and 15,129,934.36
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Solution
The fourth proportional to 27,519,630.16, 37,977,113.92 and 15,129,934.36 is: 20,879,322.78
Step by Step Solution
- Step 1: Write the proportion equation
27,519,630.16 : 37,977,113.92 = 15,129,934.36 : x - Step 2: Convert to fraction form
27,519,630.16/37,977,113.92 = 15,129,934.36/x - Step 3: Cross multiply
27,519,630.16x = 37,977,113.92 × 15,129,934.36 - Step 4: Simplify right side
27,519,630.16x = 574,591,240,791,842.25 - Step 5: Solve for x
x = 574,591,240,791,842.25/27,519,630.16 - Step 6: Final answer
x = 20,879,322.78
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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.