Finding the Fourth Proportional to 14,213,407.91, 19,614,502.92 and 7,687,037.33
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Solution
The fourth proportional to 14,213,407.91, 19,614,502.92 and 7,687,037.33 is: 10,608,111.52
Step by Step Solution
- Step 1: Write the proportion equation
14,213,407.91 : 19,614,502.92 = 7,687,037.33 : x - Step 2: Convert to fraction form
14,213,407.91/19,614,502.92 = 7,687,037.33/x - Step 3: Cross multiply
14,213,407.91x = 19,614,502.92 × 7,687,037.33 - Step 4: Simplify right side
14,213,407.91x = 150,777,416,159,742.25 - Step 5: Solve for x
x = 150,777,416,159,742.25/14,213,407.91 - Step 6: Final answer
x = 10,608,111.52
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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.