Finding the Fourth Proportional to 53,278,798.14, 73,524,471.12 and 28,832,512.14
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Solution
The fourth proportional to 53,278,798.14, 73,524,471.12 and 28,832,512.14 is: 39,788,720.47
Step by Step Solution
- Step 1: Write the proportion equation
53,278,798.14 : 73,524,471.12 = 28,832,512.14 : x - Step 2: Convert to fraction form
53,278,798.14/73,524,471.12 = 28,832,512.14/x - Step 3: Cross multiply
53,278,798.14x = 73,524,471.12 × 28,832,512.14 - Step 4: Simplify right side
53,278,798.14x = 2,119,895,206,154,479.50 - Step 5: Solve for x
x = 2,119,895,206,154,479.50/53,278,798.14 - Step 6: Final answer
x = 39,788,720.47
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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.