Finding the Fourth Proportional to 27,530,649.28, 37,990,320.72 and 15,141,602.08
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Solution
The fourth proportional to 27,530,649.28, 37,990,320.72 and 15,141,602.08 is: 20,894,324.48
Step by Step Solution
- Step 1: Write the proportion equation
27,530,649.28 : 37,990,320.72 = 15,141,602.08 : x - Step 2: Convert to fraction form
27,530,649.28/37,990,320.72 = 15,141,602.08/x - Step 3: Cross multiply
27,530,649.28x = 37,990,320.72 × 15,141,602.08 - Step 4: Simplify right side
27,530,649.28x = 575,234,319,233,819.12 - Step 5: Solve for x
x = 575,234,319,233,819.12/27,530,649.28 - Step 6: Final answer
x = 20,894,324.48
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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.