Finding the Fourth Proportional to 27,216,780.02, 40,757,950.74 and 20,283,633.94
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Solution
The fourth proportional to 27,216,780.02, 40,757,950.74 and 20,283,633.94 is: 30,375,354.92
Step by Step Solution
- Step 1: Write the proportion equation
27,216,780.02 : 40,757,950.74 = 20,283,633.94 : x - Step 2: Convert to fraction form
27,216,780.02/40,757,950.74 = 20,283,633.94/x - Step 3: Cross multiply
27,216,780.02x = 40,757,950.74 × 20,283,633.94 - Step 4: Simplify right side
27,216,780.02x = 826,719,352,954,712.25 - Step 5: Solve for x
x = 826,719,352,954,712.25/27,216,780.02 - Step 6: Final answer
x = 30,375,354.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.