Finding the Fourth Proportional to 14,121,516.52, 19,486,133.36 and 7,925,141.96
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Solution
The fourth proportional to 14,121,516.52, 19,486,133.36 and 7,925,141.96 is: 10,935,820.73
Step by Step Solution
- Step 1: Write the proportion equation
14,121,516.52 : 19,486,133.36 = 7,925,141.96 : x - Step 2: Convert to fraction form
14,121,516.52/19,486,133.36 = 7,925,141.96/x - Step 3: Cross multiply
14,121,516.52x = 19,486,133.36 × 7,925,141.96 - Step 4: Simplify right side
14,121,516.52x = 154,430,373,129,491.78 - Step 5: Solve for x
x = 154,430,373,129,491.78/14,121,516.52 - Step 6: Final answer
x = 10,935,820.73
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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.