Finding the Fourth Proportional to 13,821,576.99, 19,080,681.56 and 8,596,269.48
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Solution
The fourth proportional to 13,821,576.99, 19,080,681.56 and 8,596,269.48 is: 11,867,146.61
Step by Step Solution
- Step 1: Write the proportion equation
13,821,576.99 : 19,080,681.56 = 8,596,269.48 : x - Step 2: Convert to fraction form
13,821,576.99/19,080,681.56 = 8,596,269.48/x - Step 3: Cross multiply
13,821,576.99x = 19,080,681.56 × 8,596,269.48 - Step 4: Simplify right side
13,821,576.99x = 164,022,680,456,423.38 - Step 5: Solve for x
x = 164,022,680,456,423.38/13,821,576.99 - Step 6: Final answer
x = 11,867,146.61
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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.