Finding the Fourth Proportional to 13,873,576.42, 19,146,668.49 and 7,995,039.46
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Solution
The fourth proportional to 13,873,576.42, 19,146,668.49 and 7,995,039.46 is: 11,033,807.40
Step by Step Solution
- Step 1: Write the proportion equation
13,873,576.42 : 19,146,668.49 = 7,995,039.46 : x - Step 2: Convert to fraction form
13,873,576.42/19,146,668.49 = 7,995,039.46/x - Step 3: Cross multiply
13,873,576.42x = 19,146,668.49 × 7,995,039.46 - Step 4: Simplify right side
13,873,576.42x = 153,078,370,105,088.59 - Step 5: Solve for x
x = 153,078,370,105,088.59/13,873,576.42 - Step 6: Final answer
x = 11,033,807.40
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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.