Finding the Fourth Proportional to 18,579,860.12, 27,862,682.16 and 6,113,161.46
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Solution
The fourth proportional to 18,579,860.12, 27,862,682.16 and 6,113,161.46 is: 9,167,403.50
Step by Step Solution
- Step 1: Write the proportion equation
18,579,860.12 : 27,862,682.16 = 6,113,161.46 : x - Step 2: Convert to fraction form
18,579,860.12/27,862,682.16 = 6,113,161.46/x - Step 3: Cross multiply
18,579,860.12x = 27,862,682.16 × 6,113,161.46 - Step 4: Simplify right side
18,579,860.12x = 170,329,074,752,741.56 - Step 5: Solve for x
x = 170,329,074,752,741.56/18,579,860.12 - Step 6: Final answer
x = 9,167,403.50
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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.