Finding the Fourth Proportional to 13,922,576.65, 19,212,866.27 and 7,727,259.92
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Solution
The fourth proportional to 13,922,576.65, 19,212,866.27 and 7,727,259.92 is: 10,663,458.01
Step by Step Solution
- Step 1: Write the proportion equation
13,922,576.65 : 19,212,866.27 = 7,727,259.92 : x - Step 2: Convert to fraction form
13,922,576.65/19,212,866.27 = 7,727,259.92/x - Step 3: Cross multiply
13,922,576.65x = 19,212,866.27 × 7,727,259.92 - Step 4: Simplify right side
13,922,576.65x = 148,462,811,485,886.78 - Step 5: Solve for x
x = 148,462,811,485,886.78/13,922,576.65 - Step 6: Final answer
x = 10,663,458.01
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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.