Finding the Fourth Proportional to 42,344,309.80, 63,479,471.19 and 16,418,749.42
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Solution
The fourth proportional to 42,344,309.80, 63,479,471.19 and 16,418,749.42 is: 24,613,780.12
Step by Step Solution
- Step 1: Write the proportion equation
42,344,309.80 : 63,479,471.19 = 16,418,749.42 : x - Step 2: Convert to fraction form
42,344,309.80/63,479,471.19 = 16,418,749.42/x - Step 3: Cross multiply
42,344,309.80x = 63,479,471.19 × 16,418,749.42 - Step 4: Simplify right side
42,344,309.80x = 1,042,253,530,782,719.12 - Step 5: Solve for x
x = 1,042,253,530,782,719.12/42,344,309.80 - Step 6: Final answer
x = 24,613,780.12
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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.